995911955 has 4 divisors (see below), whose sum is σ = 1195094352. Its totient is φ = 796729560.

The previous prime is 995911951. The next prime is 995911957. The reversal of 995911955 is 559119599.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 995911955 - 2² = 995911951 is a prime.

It is a super-2 number, since 2×995911955² = 1983681244223844050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 995911897 and 995911906.

It is not an unprimeable number, because it can be changed into a prime (995911951) 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, 99591191 + ... + 99591200.

It is an arithmetic number, because the mean of its divisors is an integer number (298773588).

Almost surely, 2^995911955 is an apocalyptic number.

995911955 is a deficient number, since it is larger than the sum of its proper divisors (199182397).

995911955 is a wasteful number, since it uses less digits than its factorization.

995911955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199182396.

The product of its digits is 820125, while the sum is 53.

The square root of 995911955 is about 31558.0727389998. The cubic root of 995911955 is about 998.6354572032.

The spelling of 995911955 in words is "nine hundred ninety-five million, nine hundred eleven thousand, nine hundred fifty-five".