88809899987 has 2 divisors, whose sum is σ = 88809899988. Its totient is φ = 88809899986.

The previous prime is 88809899957. The next prime is 88809899993. The reversal of 88809899987 is 78999890888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88809899987 - 2²⁴ = 88793122771 is a prime.

It is not a weakly prime, because it can be changed into another prime (88809899957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44404949993 + 44404949994.

It is an arithmetic number, because the mean of its divisors is an integer number (44404949994).

Almost surely, 2^88809899987 is an apocalyptic number.

88809899987 is a deficient number, since it is larger than the sum of its proper divisors (1).

88809899987 is an equidigital number, since it uses as much as digits as its factorization.

88809899987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1504935936, while the sum is 83.

The spelling of 88809899987 in words is "eighty-eight billion, eight hundred nine million, eight hundred ninety-nine thousand, nine hundred eighty-seven".