79555470 has 32 divisors (see below), whose sum is σ = 200983680. Its totient is φ = 20098080.

The previous prime is 79555447. The next prime is 79555471. The reversal of 79555470 is 7455597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79555471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69216 + ... + 70355.

It is an arithmetic number, because the mean of its divisors is an integer number (6280740).

Almost surely, 2^79555470 is an apocalyptic number.

79555470 is an abundant number, since it is smaller than the sum of its proper divisors (121428210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79555470 is a wasteful number, since it uses less digits than its factorization.

79555470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139600.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 79555470 is about 8919.3873107966. The cubic root of 79555470 is about 430.0873628154.

It can be divided in two parts, 795 and 55470, that added together give a palindrome (56265).

The spelling of 79555470 in words is "seventy-nine million, five hundred fifty-five thousand, four hundred seventy".