7638966502 has 16 divisors (see below), whose sum is σ = 11878358400. Its totient is φ = 3680064640.

The previous prime is 7638966487. The next prime is 7638966529. The reversal of 7638966502 is 2056698367.

It is a self number, because there is not a number n which added to its sum of digits gives 7638966502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109699 + ... + 165262.

It is an arithmetic number, because the mean of its divisors is an integer number (742397400).

Almost surely, 2^7638966502 is an apocalyptic number.

7638966502 is a deficient number, since it is larger than the sum of its proper divisors (4239391898).

7638966502 is a wasteful number, since it uses less digits than its factorization.

7638966502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275471.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The square root of 7638966502 is about 87401.1813535721. The cubic root of 7638966502 is about 1969.4495874418.

The spelling of 7638966502 in words is "seven billion, six hundred thirty-eight million, nine hundred sixty-six thousand, five hundred two".