79676553 has 16 divisors (see below), whose sum is σ = 117796032. Its totient is φ = 47496000.

The previous prime is 79676539. The next prime is 79676561. The reversal of 79676553 is 35567697.

It is a happy number.

It is not a de Polignac number, because 79676553 - 2⁴ = 79676537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79676533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17778 + ... + 21803.

It is an arithmetic number, because the mean of its divisors is an integer number (7362252).

Almost surely, 2^79676553 is an apocalyptic number.

It is an amenable number.

79676553 is a deficient number, since it is larger than the sum of its proper divisors (38119479).

79676553 is a wasteful number, since it uses less digits than its factorization.

79676553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39656.

The product of its digits is 1190700, while the sum is 48.

The square root of 79676553 is about 8926.1723599760. The cubic root of 79676553 is about 430.3054490997.

The spelling of 79676553 in words is "seventy-nine million, six hundred seventy-six thousand, five hundred fifty-three".