13077898405 has 48 divisors (see below), whose sum is σ = 18892298880. Its totient is φ = 8630455680.

The previous prime is 13077898391. The next prime is 13077898433. The reversal of 13077898405 is 50489877031.

It is not a de Polignac number, because 13077898405 - 2⁷ = 13077898277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 449944 + ... + 478126.

It is an arithmetic number, because the mean of its divisors is an integer number (393589560).

Almost surely, 2^13077898405 is an apocalyptic number.

It is an amenable number.

13077898405 is a deficient number, since it is larger than the sum of its proper divisors (5814400475).

13077898405 is a wasteful number, since it uses less digits than its factorization.

13077898405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282 (or 28271 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 13077898405 in words is "thirteen billion, seventy-seven million, eight hundred ninety-eight thousand, four hundred five".