8371956474 has 64 divisors (see below), whose sum is σ = 21286425600. Its totient is φ = 2389252464.

The previous prime is 8371956469. The next prime is 8371956499. The reversal of 8371956474 is 4746591738.

8371956474 is a `hidden beast` number, since 8 + 3 + 7 + 1 + 9 + 564 + 74 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8371956474.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330637 + ... + 355055.

It is an arithmetic number, because the mean of its divisors is an integer number (332600400).

Almost surely, 2^8371956474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8371956474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10643212800).

8371956474 is an abundant number, since it is smaller than the sum of its proper divisors (12914469126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8371956474 is a wasteful number, since it uses less digits than its factorization.

8371956474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25344 (or 25338 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 8371956474 is about 91498.3960187281. The cubic root of 8371956474 is about 2030.5280218656.

The spelling of 8371956474 in words is "eight billion, three hundred seventy-one million, nine hundred fifty-six thousand, four hundred seventy-four".