873139995 has 96 divisors (see below), whose sum is σ = 1886976000. Its totient is φ = 363647232.

The previous prime is 873139991. The next prime is 873140011. The reversal of 873139995 is 599931378.

It is not a de Polignac number, because 873139995 - 2² = 873139991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (873139991) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 322156 + ... + 324854.

It is an arithmetic number, because the mean of its divisors is an integer number (19656000).

Almost surely, 2^873139995 is an apocalyptic number.

873139995 is an abundant number, since it is smaller than the sum of its proper divisors (1013836005).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

873139995 is a wasteful number, since it uses less digits than its factorization.

873139995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2806 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 873139995 is about 29548.9423668598. The cubic root of 873139995 is about 955.7873845874.

The spelling of 873139995 in words is "eight hundred seventy-three million, one hundred thirty-nine thousand, nine hundred ninety-five".