79900016 has 40 divisors (see below), whose sum is σ = 186238080. Its totient is φ = 32439744.

The previous prime is 79900013. The next prime is 79900019. The reversal of 79900016 is 61000997.

It is an interprime number because it is at equal distance from previous prime (79900013) and next prime (79900019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79900013) 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, 16646 + ... + 20901.

It is an arithmetic number, because the mean of its divisors is an integer number (4655952).

Almost surely, 2^79900016 is an apocalyptic number.

79900016 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

79900016 is an abundant number, since it is smaller than the sum of its proper divisors (106338064).

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

79900016 is a wasteful number, since it uses less digits than its factorization.

79900016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37581 (or 37575 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 79900016 is about 8938.6808870213. The cubic root of 79900016 is about 430.7073556732.

The spelling of 79900016 in words is "seventy-nine million, nine hundred thousand, sixteen".