79880001 has 16 divisors (see below), whose sum is σ = 107796480. Its totient is φ = 52612560.

The previous prime is 79879999. The next prime is 79880011. The reversal of 79880001 is 10008897.

It is not a de Polignac number, because 79880001 - 2¹ = 79879999 is a prime.

It is a super-3 number, since 3×79880001³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79880011) 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, 172296 + ... + 172758.

It is an arithmetic number, because the mean of its divisors is an integer number (6737280).

Almost surely, 2^79880001 is an apocalyptic number.

It is an amenable number.

79880001 is a deficient number, since it is larger than the sum of its proper divisors (27916479).

79880001 is a wasteful number, since it uses less digits than its factorization.

79880001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 79880001 is about 8937.5612445454. The cubic root of 79880001 is about 430.6713885229.

Adding to 79880001 its reverse (10008897), we get a palindrome (89888898).

The spelling of 79880001 in words is "seventy-nine million, eight hundred eighty thousand, one".