195376791 has 32 divisors (see below), whose sum is σ = 282147840. Its totient is φ = 119867904.

The previous prime is 195376777. The next prime is 195376793. The reversal of 195376791 is 197673591.

It is not a de Polignac number, because 195376791 - 2¹⁰ = 195375767 is a prime.

It is a super-2 number, since 2×195376791² = 76344180922915362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195376791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195376793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624051 + ... + 624363.

It is an arithmetic number, because the mean of its divisors is an integer number (8817120).

Almost surely, 2^195376791 is an apocalyptic number.

195376791 is a deficient number, since it is larger than the sum of its proper divisors (86771049).

195376791 is a wasteful number, since it uses less digits than its factorization.

195376791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 357210, while the sum is 48.

The square root of 195376791 is about 13977.7248148617. The cubic root of 195376791 is about 580.2622585271.

The spelling of 195376791 in words is "one hundred ninety-five million, three hundred seventy-six thousand, seven hundred ninety-one".