79948994 has 8 divisors (see below), whose sum is σ = 126977868. Its totient is φ = 37623040.

The previous prime is 79948987. The next prime is 79949033. The reversal of 79948994 is 49984997.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78978769 + 970225 = 8887^2 + 985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×79948994² = 12783683283224072, which contains 22 as substring.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 1175687 + ... + 1175754.

Almost surely, 2^79948994 is an apocalyptic number.

79948994 is a deficient number, since it is larger than the sum of its proper divisors (47028874).

79948994 is a wasteful number, since it uses less digits than its factorization.

79948994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351460.

The product of its digits is 5878656, while the sum is 59.

The square root of 79948994 is about 8941.4201332898. The cubic root of 79948994 is about 430.7953442912.

It can be divided in two parts, 7994 and 8994, that multiplied together give a triangular number (71898036 = T₁₁₉₉₁).

The spelling of 79948994 in words is "seventy-nine million, nine hundred forty-eight thousand, nine hundred ninety-four".