875079012639 has 16 divisors (see below), whose sum is σ = 1311155177472. Its totient is φ = 515096675808.

The previous prime is 875079012631. The next prime is 875079012649. The reversal of 875079012639 is 936210970578.

It is not a de Polignac number, because 875079012639 - 2³ = 875079012631 is a prime.

It is a super-2 number, since 2×875079012639² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875079012631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487780047 + ... + 487781840.

It is an arithmetic number, because the mean of its divisors is an integer number (81947198592).

Almost surely, 2^875079012639 is an apocalyptic number.

875079012639 is a deficient number, since it is larger than the sum of its proper divisors (436076164833).

875079012639 is a wasteful number, since it uses less digits than its factorization.

875079012639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975561926.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 875079012639 in words is "eight hundred seventy-five billion, seventy-nine million, twelve thousand, six hundred thirty-nine".