96861881 has 2 divisors, whose sum is σ = 96861882. Its totient is φ = 96861880.

The previous prime is 96861859. The next prime is 96861889. The reversal of 96861881 is 18816869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 18627856 = 8845^2 + 4316^2 .

It is an emirp because it is prime and its reverse (18816869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 96861881 - 2²² = 92667577 is a prime.

It is a super-2 number, since 2×96861881² = 18764447981716322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (96861889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48430940 + 48430941.

It is an arithmetic number, because the mean of its divisors is an integer number (48430941).

Almost surely, 2^96861881 is an apocalyptic number.

It is an amenable number.

96861881 is a deficient number, since it is larger than the sum of its proper divisors (1).

96861881 is an equidigital number, since it uses as much as digits as its factorization.

96861881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 47.

The square root of 96861881 is about 9841.8433740839. The cubic root of 96861881 is about 459.2519047045.

The spelling of 96861881 in words is "ninety-six million, eight hundred sixty-one thousand, eight hundred eighty-one".