77952516932 has 6 divisors (see below), whose sum is σ = 136416904638. Its totient is φ = 38976258464.

The previous prime is 77952516923. The next prime is 77952516947. The reversal of 77952516932 is 23961525977.

It can be written as a sum of positive squares in only one way, i.e., 60848062276 + 17104454656 = 246674^2 + 130784^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9744064613 + ... + 9744064620.

It is an arithmetic number, because the mean of its divisors is an integer number (22736150773).

Almost surely, 2^77952516932 is an apocalyptic number.

It is an amenable number.

77952516932 is a deficient number, since it is larger than the sum of its proper divisors (58464387706).

77952516932 is a wasteful number, since it uses less digits than its factorization.

77952516932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19488129237 (or 19488129235 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 56.

The spelling of 77952516932 in words is "seventy-seven billion, nine hundred fifty-two million, five hundred sixteen thousand, nine hundred thirty-two".