95439881 has 2 divisors, whose sum is σ = 95439882. Its totient is φ = 95439880.

The previous prime is 95439797. The next prime is 95439901. The reversal of 95439881 is 18893459.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 13808656 = 9035^2 + 3716^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-95439881 is a prime.

It is a super-2 number, since 2×95439881² = 18217541770588322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (95439181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47719940 + 47719941.

It is an arithmetic number, because the mean of its divisors is an integer number (47719941).

Almost surely, 2^95439881 is an apocalyptic number.

It is an amenable number.

95439881 is a deficient number, since it is larger than the sum of its proper divisors (1).

95439881 is an equidigital number, since it uses as much as digits as its factorization.

95439881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 95439881 is about 9769.3337029707. Note that the first 3 decimals coincide. The cubic root of 95439881 is about 456.9934369504.

The spelling of 95439881 in words is "ninety-five million, four hundred thirty-nine thousand, eight hundred eighty-one".