78852892 has 6 divisors (see below), whose sum is σ = 137992568. Its totient is φ = 39426444.

The previous prime is 78852877. The next prime is 78852929. The reversal of 78852892 is 29825887.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9856608 + ... + 9856615.

Almost surely, 2^78852892 is an apocalyptic number.

It is an amenable number.

78852892 is a deficient number, since it is larger than the sum of its proper divisors (59139676).

78852892 is a wasteful number, since it uses less digits than its factorization.

78852892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19713227 (or 19713225 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 78852892 is about 8879.9150896841. The cubic root of 78852892 is about 428.8175409468.

The spelling of 78852892 in words is "seventy-eight million, eight hundred fifty-two thousand, eight hundred ninety-two".