7902256328 has 36 divisors (see below), whose sum is σ = 15127075635. Its totient is φ = 3870041344.

The previous prime is 7902256291. The next prime is 7902256339. The reversal of 7902256328 is 8236522097.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 6464481604 + 1437774724 = 80402^2 + 37918^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=62858.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13325600 + ... + 13326192.

Almost surely, 2^7902256328 is an apocalyptic number.

It is an amenable number.

7902256328 is a deficient number, since it is larger than the sum of its proper divisors (7224819307).

7902256328 is an frugal number, since it uses more digits than its factorization.

7902256328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 7902256328 is about 88894.6361036480. The cubic root of 7902256328 is about 1991.8212939742.

The spelling of 7902256328 in words is "seven billion, nine hundred two million, two hundred fifty-six thousand, three hundred twenty-eight".