38142074879 has 4 divisors (see below), whose sum is σ = 38142689760. Its totient is φ = 38141460000.

The previous prime is 38142074849. The next prime is 38142074881. The reversal of 38142074879 is 97847024183.

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 38142074879 - 2¹² = 38142070783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38142074879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38142074809) 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, 202439 + ... + 342440.

It is an arithmetic number, because the mean of its divisors is an integer number (9535672440).

Almost surely, 2^38142074879 is an apocalyptic number.

38142074879 is a deficient number, since it is larger than the sum of its proper divisors (614881).

38142074879 is an equidigital number, since it uses as much as digits as its factorization.

38142074879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614880.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 38142074879 in words is "thirty-eight billion, one hundred forty-two million, seventy-four thousand, eight hundred seventy-nine".