13391879558 has 16 divisors (see below), whose sum is σ = 20339453904. Its totient is φ = 6612364800.

The previous prime is 13391879551. The next prime is 13391879563. The reversal of 13391879558 is 85597819331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13391879497 and 13391879506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13391879551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13133 + ... + 164183.

It is an arithmetic number, because the mean of its divisors is an integer number (1271215869).

Almost surely, 2^13391879558 is an apocalyptic number.

13391879558 is a deficient number, since it is larger than the sum of its proper divisors (6947574346).

13391879558 is a wasteful number, since it uses less digits than its factorization.

13391879558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151607.

The product of its digits is 8164800, while the sum is 59.

The spelling of 13391879558 in words is "thirteen billion, three hundred ninety-one million, eight hundred seventy-nine thousand, five hundred fifty-eight".