995258879 has 4 divisors (see below), whose sum is σ = 996304176. Its totient is φ = 994213584.

The previous prime is 995258861. The next prime is 995258881. The reversal of 995258879 is 978852599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978852599 = 263 ⋅3721873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995258879 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 (995258809) 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, 521219 + ... + 523124.

It is an arithmetic number, because the mean of its divisors is an integer number (249076044).

Almost surely, 2^995258879 is an apocalyptic number.

995258879 is a deficient number, since it is larger than the sum of its proper divisors (1045297).

995258879 is a wasteful number, since it uses less digits than its factorization.

995258879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045296.

The product of its digits is 16329600, while the sum is 62.

The square root of 995258879 is about 31547.7238323147. The cubic root of 995258879 is about 998.4171221530.

The spelling of 995258879 in words is "nine hundred ninety-five million, two hundred fifty-eight thousand, eight hundred seventy-nine".