77506238632 has 32 divisors (see below), whose sum is σ = 147183331680. Its totient is φ = 38258038080.

The previous prime is 77506238627. The next prime is 77506238639. The reversal of 77506238632 is 23683260577.

It is not an unprimeable number, because it can be changed into a prime (77506238639) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 874723 + ... + 959245.

It is an arithmetic number, because the mean of its divisors is an integer number (4599479115).

Almost surely, 2^77506238632 is an apocalyptic number.

It is an amenable number.

77506238632 is a deficient number, since it is larger than the sum of its proper divisors (69677093048).

77506238632 is a wasteful number, since it uses less digits than its factorization.

77506238632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85993 (or 85989 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 77506238632 in words is "seventy-seven billion, five hundred six million, two hundred thirty-eight thousand, six hundred thirty-two".