79892 has 6 divisors (see below), whose sum is σ = 139818. Its totient is φ = 39944.

The previous prime is 79889. The next prime is 79901. The reversal of 79892 is 29897.

It can be written as a sum of positive squares in only one way, i.e., 64516 + 15376 = 254^2 + 124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9983 + ... + 9990.

It is an arithmetic number, because the mean of its divisors is an integer number (23303).

2⁷⁹⁸⁹² is an apocalyptic number.

It is an amenable number.

79892 is a deficient number, since it is larger than the sum of its proper divisors (59926).

79892 is a wasteful number, since it uses less digits than its factorization.

79892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19977 (or 19975 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 79892 is about 282.6517291651. The cubic root of 79892 is about 43.0692951564.

The spelling of 79892 in words is "seventy-nine thousand, eight hundred ninety-two".