875139401939 has 8 divisors (see below), whose sum is σ = 954736880832. Its totient is φ = 795548481640.

The previous prime is 875139401923. The next prime is 875139401947. The reversal of 875139401939 is 939104931578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 875139401939 - 2⁴ = 875139401923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875139401999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358549 + ... + 1896294.

It is an arithmetic number, because the mean of its divisors is an integer number (119342110104).

Almost surely, 2^875139401939 is an apocalyptic number.

875139401939 is a deficient number, since it is larger than the sum of its proper divisors (79597478893).

875139401939 is a wasteful number, since it uses less digits than its factorization.

875139401939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279297.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 875139401939 in words is "eight hundred seventy-five billion, one hundred thirty-nine million, four hundred one thousand, nine hundred thirty-nine".