995379839 has 2 divisors, whose sum is σ = 995379840. Its totient is φ = 995379838.

The previous prime is 995379829. The next prime is 995379851. The reversal of 995379839 is 938973599.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-995379839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995379829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497689919 + 497689920.

It is an arithmetic number, because the mean of its divisors is an integer number (497689920).

Almost surely, 2^995379839 is an apocalyptic number.

995379839 is a deficient number, since it is larger than the sum of its proper divisors (1).

995379839 is an equidigital number, since it uses as much as digits as its factorization.

995379839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16533720, while the sum is 62.

The square root of 995379839 is about 31549.6408695884. The cubic root of 995379839 is about 998.4575684615.

The spelling of 995379839 in words is "nine hundred ninety-five million, three hundred seventy-nine thousand, eight hundred thirty-nine".