79727959 has 8 divisors (see below), whose sum is σ = 84367872. Its totient is φ = 75185880.

The previous prime is 79727951. The next prime is 79727969. The reversal of 79727959 is 95972797.

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

It is a cyclic number.

It is not a de Polignac number, because 79727959 - 2³ = 79727951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79727951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22779 + ... + 26044.

It is an arithmetic number, because the mean of its divisors is an integer number (10545984).

Almost surely, 2^79727959 is an apocalyptic number.

79727959 is a deficient number, since it is larger than the sum of its proper divisors (4639913).

79727959 is a wasteful number, since it uses less digits than its factorization.

79727959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48917.

The product of its digits is 2500470, while the sum is 55.

The square root of 79727959 is about 8929.0514053846. The cubic root of 79727959 is about 430.3979712013.

It can be divided in two parts, 7972 and 7959, that added together give a triangular number (15931 = T₁₇₈).

The spelling of 79727959 in words is "seventy-nine million, seven hundred twenty-seven thousand, nine hundred fifty-nine".