79870801 has 4 divisors (see below), whose sum is σ = 79895152. Its totient is φ = 79846452.

The previous prime is 79870799. The next prime is 79870853. The reversal of 79870801 is 10807897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79870801 - 2¹ = 79870799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79870871) 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 3 ways as a sum of consecutive naturals, for example, 6315 + ... + 14128.

It is an arithmetic number, because the mean of its divisors is an integer number (19973788).

Almost surely, 2^79870801 is an apocalyptic number.

It is an amenable number.

79870801 is a deficient number, since it is larger than the sum of its proper divisors (24351).

79870801 is a wasteful number, since it uses less digits than its factorization.

79870801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24350.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 79870801 is about 8937.0465479374. The cubic root of 79870801 is about 430.6548540177.

The spelling of 79870801 in words is "seventy-nine million, eight hundred seventy thousand, eight hundred one".