77925630932 has 6 divisors (see below), whose sum is σ = 136369854138. Its totient is φ = 38962815464.

The previous prime is 77925630883. The next prime is 77925630941. The reversal of 77925630932 is 23903652977.

It can be written as a sum of positive squares in only one way, i.e., 70201681936 + 7723948996 = 264956^2 + 87886^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9740703863 + ... + 9740703870.

It is an arithmetic number, because the mean of its divisors is an integer number (22728309023).

Almost surely, 2^77925630932 is an apocalyptic number.

It is an amenable number.

77925630932 is a deficient number, since it is larger than the sum of its proper divisors (58444223206).

77925630932 is a wasteful number, since it uses less digits than its factorization.

77925630932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19481407737 (or 19481407735 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 53.

The spelling of 77925630932 in words is "seventy-seven billion, nine hundred twenty-five million, six hundred thirty thousand, nine hundred thirty-two".