79880622 has 16 divisors (see below), whose sum is σ = 159848832. Its totient is φ = 26612280.

The previous prime is 79880621. The next prime is 79880623. The reversal of 79880622 is 22608897.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79880621) and next prime (79880623).

It is a super-2 number, since 2×79880622² = 12761827542213768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79880621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19797 + ... + 23487.

It is an arithmetic number, because the mean of its divisors is an integer number (9990552).

Almost surely, 2^79880622 is an apocalyptic number.

79880622 is an abundant number, since it is smaller than the sum of its proper divisors (79968210).

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

79880622 is a wasteful number, since it uses less digits than its factorization.

79880622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 79880622 is about 8937.5959854986. The cubic root of 79880622 is about 430.6725045563.

The spelling of 79880622 in words is "seventy-nine million, eight hundred eighty thousand, six hundred twenty-two".