13372475887 has 4 divisors (see below), whose sum is σ = 13375267200. Its totient is φ = 13369684576.

The previous prime is 13372475869. The next prime is 13372475903. The reversal of 13372475887 is 78857427331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13372475887 is a prime.

It is a super-2 number, since 2×13372475887² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13372475807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388458 + ... + 1398055.

It is an arithmetic number, because the mean of its divisors is an integer number (3343816800).

Almost surely, 2^13372475887 is an apocalyptic number.

13372475887 is a deficient number, since it is larger than the sum of its proper divisors (2791313).

13372475887 is an equidigital number, since it uses as much as digits as its factorization.

13372475887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791312.

The product of its digits is 7902720, while the sum is 55.

The spelling of 13372475887 in words is "thirteen billion, three hundred seventy-two million, four hundred seventy-five thousand, eight hundred eighty-seven".