77512323052 has 12 divisors (see below), whose sum is σ = 138801136936. Its totient is φ = 37854855360.

The previous prime is 77512323019. The next prime is 77512323079. The reversal of 77512323052 is 25032321577.

It is a super-2 number, since 2×77512323052² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 225326349 + ... + 225326692.

Almost surely, 2^77512323052 is an apocalyptic number.

It is an amenable number.

77512323052 is a deficient number, since it is larger than the sum of its proper divisors (61288813884).

77512323052 is a wasteful number, since it uses less digits than its factorization.

77512323052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450653088 (or 450653086 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 77512323052 in words is "seventy-seven billion, five hundred twelve million, three hundred twenty-three thousand, fifty-two".