77805932 has 12 divisors (see below), whose sum is σ = 136289496. Its totient is φ = 38866080.

The previous prime is 77805929. The next prime is 77805947. The reversal of 77805932 is 23950877.

It is a self number, because there is not a number n which added to its sum of digits gives 77805932.

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 in 3 ways as a sum of consecutive naturals, for example, 4169 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (11357458).

Almost surely, 2^77805932 is an apocalyptic number.

It is an amenable number.

77805932 is a deficient number, since it is larger than the sum of its proper divisors (58483564).

77805932 is a wasteful number, since it uses less digits than its factorization.

77805932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18448 (or 18446 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 77805932 is about 8820.7670868241. The cubic root of 77805932 is about 426.9112207496.

The spelling of 77805932 in words is "seventy-seven million, eight hundred five thousand, nine hundred thirty-two".