13725867377 has 4 divisors (see below), whose sum is σ = 13861767156. Its totient is φ = 13589967600.

The previous prime is 13725867313. The next prime is 13725867391. The reversal of 13725867377 is 77376852731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11768778256 + 1957089121 = 108484^2 + 44239^2 .

It is a cyclic number.

It is not a de Polignac number, because 13725867377 - 2⁶ = 13725867313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13725860377) 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, 67949738 + ... + 67949939.

It is an arithmetic number, because the mean of its divisors is an integer number (3465441789).

Almost surely, 2^13725867377 is an apocalyptic number.

It is an amenable number.

13725867377 is a deficient number, since it is larger than the sum of its proper divisors (135899779).

13725867377 is a wasteful number, since it uses less digits than its factorization.

13725867377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135899778.

The product of its digits is 10372320, while the sum is 56.

The spelling of 13725867377 in words is "thirteen billion, seven hundred twenty-five million, eight hundred sixty-seven thousand, three hundred seventy-seven".