95811981 has 16 divisors (see below), whose sum is σ = 132422400. Its totient is φ = 61570368.

The previous prime is 95811967. The next prime is 95812007. The reversal of 95811981 is 18911859.

It is not a de Polignac number, because 95811981 - 2¹⁴ = 95795597 is a prime.

It is a super-2 number, since 2×95811981² = 18359871406288722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (95811941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8140 + ... + 16058.

It is an arithmetic number, because the mean of its divisors is an integer number (8276400).

Almost surely, 2^95811981 is an apocalyptic number.

It is an amenable number.

95811981 is a deficient number, since it is larger than the sum of its proper divisors (36610419).

95811981 is a wasteful number, since it uses less digits than its factorization.

95811981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068.

The product of its digits is 25920, while the sum is 42.

The square root of 95811981 is about 9788.3594641799. The cubic root of 95811981 is about 457.5865738400.

The spelling of 95811981 in words is "ninety-five million, eight hundred eleven thousand, nine hundred eighty-one".