79873677 has 24 divisors (see below), whose sum is σ = 124566624. Its totient is φ = 49027104.

The previous prime is 79873643. The next prime is 79873679. The reversal of 79873677 is 77637897.

It is a happy number.

It is not a de Polignac number, because 79873677 - 2⁸ = 79873421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79873679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68098 + ... + 69260.

It is an arithmetic number, because the mean of its divisors is an integer number (5190276).

Almost surely, 2^79873677 is an apocalyptic number.

It is an amenable number.

79873677 is a deficient number, since it is larger than the sum of its proper divisors (44692947).

79873677 is a wasteful number, since it uses less digits than its factorization.

79873677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1766 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 79873677 is about 8937.2074497574. The cubic root of 79873677 is about 430.6600229842.

It can be divided in two parts, 7987 and 3677, that added together give a square (11664 = 108²).

The spelling of 79873677 in words is "seventy-nine million, eight hundred seventy-three thousand, six hundred seventy-seven".