79862490 has 32 divisors (see below), whose sum is σ = 212967360. Its totient is φ = 21296592.

The previous prime is 79862483. The next prime is 79862513. The reversal of 79862490 is 9426897.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 15 ways as a sum of consecutive naturals, for example, 147624 + ... + 148163.

It is an arithmetic number, because the mean of its divisors is an integer number (6655230).

Almost surely, 2^79862490 is an apocalyptic number.

79862490 is an abundant number, since it is smaller than the sum of its proper divisors (133104870).

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

79862490 is a wasteful number, since it uses less digits than its factorization.

79862490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295803 (or 295797 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 79862490 is about 8936.5815612011. The cubic root of 79862490 is about 430.6399161572.

The spelling of 79862490 in words is "seventy-nine million, eight hundred sixty-two thousand, four hundred ninety".