79911954 has 16 divisors (see below), whose sum is σ = 177582240. Its totient is φ = 26637300.

The previous prime is 79911947. The next prime is 79911961. The reversal of 79911954 is 45911997.

It is an interprime number because it is at equal distance from previous prime (79911947) and next prime (79911961).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739872 + ... + 739979.

It is an arithmetic number, because the mean of its divisors is an integer number (11098890).

Almost surely, 2^79911954 is an apocalyptic number.

79911954 is an abundant number, since it is smaller than the sum of its proper divisors (97670286).

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

79911954 is a wasteful number, since it uses less digits than its factorization.

79911954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479862 (or 1479856 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 79911954 is about 8939.3486339889. The cubic root of 79911954 is about 430.7288055160.

The spelling of 79911954 in words is "seventy-nine million, nine hundred eleven thousand, nine hundred fifty-four".