77332956 has 12 divisors (see below), whose sum is σ = 180443592. Its totient is φ = 25777648.

The previous prime is 77332943. The next prime is 77332961. The reversal of 77332956 is 65923377.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3222195 + ... + 3222218.

It is an arithmetic number, because the mean of its divisors is an integer number (15036966).

Almost surely, 2^77332956 is an apocalyptic number.

It is an amenable number.

77332956 is an abundant number, since it is smaller than the sum of its proper divisors (103110636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77332956 is a wasteful number, since it uses less digits than its factorization.

77332956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444420 (or 6444418 counting only the distinct ones).

The product of its digits is 238140, while the sum is 42.

The square root of 77332956 is about 8793.9158513145. The cubic root of 77332956 is about 426.0444089567.

The spelling of 77332956 in words is "seventy-seven million, three hundred thirty-two thousand, nine hundred fifty-six".