38311557679 has 4 divisors (see below), whose sum is σ = 38470527040. Its totient is φ = 38152588320.

The previous prime is 38311557671. The next prime is 38311557689. The reversal of 38311557679 is 97675511383.

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

It is a cyclic number.

It is not a de Polignac number, because 38311557679 - 2³ = 38311557671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38311557671) 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, 79484319 + ... + 79484800.

It is an arithmetic number, because the mean of its divisors is an integer number (9617631760).

Almost surely, 2^38311557679 is an apocalyptic number.

38311557679 is a deficient number, since it is larger than the sum of its proper divisors (158969361).

38311557679 is a wasteful number, since it uses less digits than its factorization.

38311557679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158969360.

The product of its digits is 4762800, while the sum is 55.

The spelling of 38311557679 in words is "thirty-eight billion, three hundred eleven million, five hundred fifty-seven thousand, six hundred seventy-nine".