79997673 has 16 divisors (see below), whose sum is σ = 124737536. Its totient is φ = 44649360.

The previous prime is 79997669. The next prime is 79997677. The reversal of 79997673 is 37679997.

It is an interprime number because it is at equal distance from previous prime (79997669) and next prime (79997677).

It is not a de Polignac number, because 79997673 - 2² = 79997669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79997677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43393 + ... + 45198.

It is an arithmetic number, because the mean of its divisors is an integer number (7796096).

Almost surely, 2^79997673 is an apocalyptic number.

It is an amenable number.

79997673 is a deficient number, since it is larger than the sum of its proper divisors (44739863).

79997673 is a wasteful number, since it uses less digits than its factorization.

79997673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88644.

The product of its digits is 4500846, while the sum is 57.

The square root of 79997673 is about 8944.1418257986. The cubic root of 79997673 is about 430.8827601579.

The spelling of 79997673 in words is "seventy-nine million, nine hundred ninety-seven thousand, six hundred seventy-three".