77764332 has 24 divisors (see below), whose sum is σ = 182395696. Its totient is φ = 25786368.

The previous prime is 77764319. The next prime is 77764333. The reversal of 77764332 is 23346777.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (77764333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14473 + ... + 19104.

Almost surely, 2^77764332 is an apocalyptic number.

It is an amenable number.

77764332 is an abundant number, since it is smaller than the sum of its proper divisors (104631364).

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

77764332 is a wasteful number, since it uses less digits than its factorization.

77764332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33777 (or 33775 counting only the distinct ones).

The product of its digits is 148176, while the sum is 39.

The square root of 77764332 is about 8818.4086999866. The cubic root of 77764332 is about 426.8351225551.

The spelling of 77764332 in words is "seventy-seven million, seven hundred sixty-four thousand, three hundred thirty-two".