88916190315881 has 2 divisors, whose sum is σ = 88916190315882. Its totient is φ = 88916190315880.

The previous prime is 88916190315803. The next prime is 88916190315917. The reversal of 88916190315881 is 18851309161988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74237024120281 + 14679166195600 = 8616091^2 + 3831340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88916190315881 is a prime.

It is a super-2 number, since 2×88916190315881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88916190315181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44458095157940 + 44458095157941.

It is an arithmetic number, because the mean of its divisors is an integer number (44458095157941).

Almost surely, 2^{88916190315881} is an apocalyptic number.

It is an amenable number.

88916190315881 is a deficient number, since it is larger than the sum of its proper divisors (1).

88916190315881 is an equidigital number, since it uses as much as digits as its factorization.

88916190315881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29859840, while the sum is 68.

The spelling of 88916190315881 in words is "eighty-eight trillion, nine hundred sixteen billion, one hundred ninety million, three hundred fifteen thousand, eight hundred eighty-one".