76738669952 has 64 divisors (see below), whose sum is σ = 174946279200. Its totient is φ = 32844939264.

The previous prime is 76738669913. The next prime is 76738669981. The reversal of 76738669952 is 25996683767.

It is a tau number, because it is divible by the number of its divisors (64).

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, 633338 + ... + 744710.

Almost surely, 2^76738669952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76738669952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87473139600).

76738669952 is an abundant number, since it is smaller than the sum of its proper divisors (98207609248).

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

76738669952 is a wasteful number, since it uses less digits than its factorization.

76738669952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112163 (or 112151 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 68.

The spelling of 76738669952 in words is "seventy-six billion, seven hundred thirty-eight million, six hundred sixty-nine thousand, nine hundred fifty-two".