77946252 has 24 divisors (see below), whose sum is σ = 185307696. Its totient is φ = 25491648.

The previous prime is 77946223. The next prime is 77946299. The reversal of 77946252 is 25264977.

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 7 ways as a sum of consecutive naturals, for example, 60643 + ... + 61914.

It is an arithmetic number, because the mean of its divisors is an integer number (7721154).

Almost surely, 2^77946252 is an apocalyptic number.

It is an amenable number.

77946252 is an abundant number, since it is smaller than the sum of its proper divisors (107361444).

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

77946252 is a wasteful number, since it uses less digits than its factorization.

77946252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122617 (or 122615 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 77946252 is about 8828.7174606508. The cubic root of 77946252 is about 427.1677059360.

The spelling of 77946252 in words is "seventy-seven million, nine hundred forty-six thousand, two hundred fifty-two".