88395002991 has 12 divisors (see below), whose sum is σ = 128215907040. Its totient is φ = 58683431520.

The previous prime is 88395002989. The next prime is 88395003017. The reversal of 88395002991 is 19920059388.

88395002991 is a `hidden beast` number, since 88 + 39 + 500 + 29 + 9 + 1 = 666.

It is not a de Polignac number, because 88395002991 - 2¹ = 88395002989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88395502991) 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 11 ways as a sum of consecutive naturals, for example, 20545270 + ... + 20549571.

It is an arithmetic number, because the mean of its divisors is an integer number (10684658920).

Almost surely, 2^88395002991 is an apocalyptic number.

88395002991 is a deficient number, since it is larger than the sum of its proper divisors (39820904049).

88395002991 is a wasteful number, since it uses less digits than its factorization.

88395002991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41095086 (or 41095083 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 88395002991 in words is "eighty-eight billion, three hundred ninety-five million, two thousand, nine hundred ninety-one".