8397827040 has 48 divisors (see below), whose sum is σ = 26453156688. Its totient is φ = 2239420416.

The previous prime is 8397827017. The next prime is 8397827143. The reversal of 8397827040 is 407287938.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8747257 + ... + 8748216.

It is an arithmetic number, because the mean of its divisors is an integer number (551107431).

Almost surely, 2^8397827040 is an apocalyptic number.

8397827040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8397827040 is an abundant number, since it is smaller than the sum of its proper divisors (18055329648).

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

8397827040 is a wasteful number, since it uses less digits than its factorization.

8397827040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17495491 (or 17495483 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 8397827040 is about 91639.6586637030. The cubic root of 8397827040 is about 2032.6174137013.

The spelling of 8397827040 in words is "eight billion, three hundred ninety-seven million, eight hundred twenty-seven thousand, forty".