13178879670 has 64 divisors (see below), whose sum is σ = 34685521920. Its totient is φ = 3178137600.

The previous prime is 13178879647. The next prime is 13178879783. The reversal of 13178879670 is 7697887131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13178879670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41515 + ... + 167574.

It is an arithmetic number, because the mean of its divisors is an integer number (541961280).

Almost surely, 2^13178879670 is an apocalyptic number.

13178879670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13178879670 is an abundant number, since it is smaller than the sum of its proper divisors (21506642250).

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

13178879670 is a wasteful number, since it uses less digits than its factorization.

13178879670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209301.

The product of its (nonzero) digits is 3556224, while the sum is 57.

The spelling of 13178879670 in words is "thirteen billion, one hundred seventy-eight million, eight hundred seventy-nine thousand, six hundred seventy".