88698621191 has 2 divisors, whose sum is σ = 88698621192. Its totient is φ = 88698621190.

The previous prime is 88698621163. The next prime is 88698621227. The reversal of 88698621191 is 19112689688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88698621191 - 2¹⁰ = 88698620167 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88698621191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88698611191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44349310595 + 44349310596.

It is an arithmetic number, because the mean of its divisors is an integer number (44349310596).

Almost surely, 2^88698621191 is an apocalyptic number.

88698621191 is a deficient number, since it is larger than the sum of its proper divisors (1).

88698621191 is an equidigital number, since it uses as much as digits as its factorization.

88698621191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 59.

The spelling of 88698621191 in words is "eighty-eight billion, six hundred ninety-eight million, six hundred twenty-one thousand, one hundred ninety-one".