7904436528 has 20 divisors (see below), whose sum is σ = 20419794488. Its totient is φ = 2634812160.

The previous prime is 7904436521. The next prime is 7904436593. The reversal of 7904436528 is 8256344097.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 164675761 = 7904436528 / (7 + 9 + 0 + 4 + 4 + 3 + 6 + 5 + 2 + 8).

It is not an unprimeable number, because it can be changed into a prime (7904436521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82337833 + ... + 82337928.

Almost surely, 2^7904436528 is an apocalyptic number.

It is an amenable number.

7904436528 is an abundant number, since it is smaller than the sum of its proper divisors (12515357960).

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

7904436528 is a wasteful number, since it uses less digits than its factorization.

7904436528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164675772 (or 164675766 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 7904436528 is about 88906.8980900807. The cubic root of 7904436528 is about 1992.0044555633.

The spelling of 7904436528 in words is "seven billion, nine hundred four million, four hundred thirty-six thousand, five hundred twenty-eight".