79545128475 has 12 divisors (see below), whose sum is σ = 131514612536. Its totient is φ = 42424068480.

The previous prime is 79545128473. The next prime is 79545128549. The reversal of 79545128475 is 57482154597.

It is not a de Polignac number, because 79545128475 - 2¹ = 79545128473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79545128473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530300782 + ... + 530300931.

Almost surely, 2^79545128475 is an apocalyptic number.

79545128475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79545128475 is a deficient number, since it is larger than the sum of its proper divisors (51969484061).

79545128475 is a wasteful number, since it uses less digits than its factorization.

79545128475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060601726 (or 1060601721 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 57.

The spelling of 79545128475 in words is "seventy-nine billion, five hundred forty-five million, one hundred twenty-eight thousand, four hundred seventy-five".