79958648 has 32 divisors (see below), whose sum is σ = 186917760. Its totient is φ = 31152480.

The previous prime is 79958647. The next prime is 79958663. The reversal of 79958648 is 84685997.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 79958593 and 79958602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79958647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64286 + ... + 65517.

It is an arithmetic number, because the mean of its divisors is an integer number (5841180).

Almost surely, 2^79958648 is an apocalyptic number.

It is an amenable number.

79958648 is an abundant number, since it is smaller than the sum of its proper divisors (106959112).

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

79958648 is a wasteful number, since it uses less digits than its factorization.

79958648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129827 (or 129823 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 56.

The square root of 79958648 is about 8941.9599641242. The cubic root of 79958648 is about 430.8126833914.

The spelling of 79958648 in words is "seventy-nine million, nine hundred fifty-eight thousand, six hundred forty-eight".