7879422474 has 192 divisors, whose sum is σ = 23156044800. Its totient is φ = 1938673440.

The previous prime is 7879422443. The next prime is 7879422487. The reversal of 7879422474 is 4742249787.

7879422474 is a `hidden beast` number, since 7 + 87 + 94 + 2 + 2 + 474 = 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 7879422474.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 864489 + ... + 873555.

It is an arithmetic number, because the mean of its divisors is an integer number (120604400).

Almost surely, 2^7879422474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7879422474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11578022400).

7879422474 is an abundant number, since it is smaller than the sum of its proper divisors (15276622326).

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

7879422474 is a wasteful number, since it uses less digits than its factorization.

7879422474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126 (or 9109 counting only the distinct ones).

The product of its digits is 6322176, while the sum is 54.

The square root of 7879422474 is about 88766.1110672311. Note that the first 3 decimals coincide. The cubic root of 7879422474 is about 1989.9009633970.

The spelling of 7879422474 in words is "seven billion, eight hundred seventy-nine million, four hundred twenty-two thousand, four hundred seventy-four".