13542477867 has 12 divisors (see below), whose sum is σ = 20590902280. Its totient is φ = 8553143808.

The previous prime is 13542477863. The next prime is 13542477889. The reversal of 13542477867 is 76877424531.

13542477867 is a `hidden beast` number, since 13 + 542 + 4 + 7 + 7 + 86 + 7 = 666.

It is not a de Polignac number, because 13542477867 - 2² = 13542477863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13542477863) 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, 39597718 + ... + 39598059.

Almost surely, 2^13542477867 is an apocalyptic number.

13542477867 is a deficient number, since it is larger than the sum of its proper divisors (7048424413).

13542477867 is a wasteful number, since it uses less digits than its factorization.

13542477867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79195802 (or 79195799 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 13542477867 in words is "thirteen billion, five hundred forty-two million, four hundred seventy-seven thousand, eight hundred sixty-seven".