77195652 has 24 divisors (see below), whose sum is σ = 180339936. Its totient is φ = 25700928.

The previous prime is 77195641. The next prime is 77195669. The reversal of 77195652 is 25659177.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7968 + ... + 14760.

It is an arithmetic number, because the mean of its divisors is an integer number (7514164).

Almost surely, 2^77195652 is an apocalyptic number.

It is an amenable number.

77195652 is an abundant number, since it is smaller than the sum of its proper divisors (103144284).

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

77195652 is a wasteful number, since it uses less digits than its factorization.

77195652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747 (or 7745 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 77195652 is about 8786.1056219465. The cubic root of 77195652 is about 425.7921135172.

The spelling of 77195652 in words is "seventy-seven million, one hundred ninety-five thousand, six hundred fifty-two".