79908771 has 8 divisors (see below), whose sum is σ = 106646544. Its totient is φ = 53221760.

The previous prime is 79908743. The next prime is 79908791. The reversal of 79908771 is 17780997.

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 79908771 - 2¹⁰ = 79907747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79908771.

It is not an unprimeable number, because it can be changed into a prime (79908701) 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, 8850 + ... + 15431.

It is an arithmetic number, because the mean of its divisors is an integer number (13330818).

Almost surely, 2^79908771 is an apocalyptic number.

79908771 is a deficient number, since it is larger than the sum of its proper divisors (26737773).

79908771 is a wasteful number, since it uses less digits than its factorization.

79908771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25381.

The product of its (nonzero) digits is 222264, while the sum is 48.

The square root of 79908771 is about 8939.1705991104. The cubic root of 79908771 is about 430.7230866053.

It can be divided in two parts, 7990 and 8771, that added together give a palindrome (16761).

The spelling of 79908771 in words is "seventy-nine million, nine hundred eight thousand, seven hundred seventy-one".