77162919952 has 20 divisors (see below), whose sum is σ = 149507819776. Its totient is φ = 38580256800.

The previous prime is 77162919943. The next prime is 77162919983. The reversal of 77162919952 is 25991926177.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689593 + ... + 793639.

Almost surely, 2^77162919952 is an apocalyptic number.

It is an amenable number.

77162919952 is a deficient number, since it is larger than the sum of its proper divisors (72344899824).

77162919952 is a wasteful number, since it uses less digits than its factorization.

77162919952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150406 (or 150400 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 58.

The spelling of 77162919952 in words is "seventy-seven billion, one hundred sixty-two million, nine hundred nineteen thousand, nine hundred fifty-two".