79655998 has 4 divisors (see below), whose sum is σ = 119484000. Its totient is φ = 39827998.

The previous prime is 79655993. The next prime is 79656053. The reversal of 79655998 is 89955697.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79655993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19913998 + ... + 19914001.

It is an arithmetic number, because the mean of its divisors is an integer number (29871000).

Almost surely, 2^79655998 is an apocalyptic number.

79655998 is a deficient number, since it is larger than the sum of its proper divisors (39828002).

79655998 is a wasteful number, since it uses less digits than its factorization.

79655998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39828001.

The product of its digits is 6123600, while the sum is 58.

The square root of 79655998 is about 8925.0208963341. The cubic root of 79655998 is about 430.2684424401.

The spelling of 79655998 in words is "seventy-nine million, six hundred fifty-five thousand, nine hundred ninety-eight".