77913752 has 16 divisors (see below), whose sum is σ = 166958160. Its totient is φ = 33391584.

The previous prime is 77913751. The next prime is 77913769. The reversal of 77913752 is 25731977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77913751) 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 3 ways as a sum of consecutive naturals, for example, 695603 + ... + 695714.

It is an arithmetic number, because the mean of its divisors is an integer number (10434885).

Almost surely, 2^77913752 is an apocalyptic number.

It is an amenable number.

77913752 is an abundant number, since it is smaller than the sum of its proper divisors (89044408).

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

77913752 is a wasteful number, since it uses less digits than its factorization.

77913752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391330 (or 1391326 counting only the distinct ones).

The product of its digits is 92610, while the sum is 41.

The square root of 77913752 is about 8826.8766843091. The cubic root of 77913752 is about 427.1083279242.

The spelling of 77913752 in words is "seventy-seven million, nine hundred thirteen thousand, seven hundred fifty-two".