79864701 has 32 divisors (see below), whose sum is σ = 125598720. Its totient is φ = 44198784.

The previous prime is 79864699. The next prime is 79864721. The reversal of 79864701 is 10746897.

It is not a de Polignac number, because 79864701 - 2¹ = 79864699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79864721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90006 + ... + 90888.

It is an arithmetic number, because the mean of its divisors is an integer number (3924960).

Almost surely, 2^79864701 is an apocalyptic number.

It is an amenable number.

79864701 is a deficient number, since it is larger than the sum of its proper divisors (45734019).

79864701 is a wasteful number, since it uses less digits than its factorization.

79864701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 79864701 is about 8936.7052653649. The cubic root of 79864701 is about 430.6438902217.

The spelling of 79864701 in words is "seventy-nine million, eight hundred sixty-four thousand, seven hundred one".