88797771589 has 2 divisors, whose sum is σ = 88797771590. Its totient is φ = 88797771588.

The previous prime is 88797771511. The next prime is 88797771649. The reversal of 88797771589 is 98517779788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88659826564 + 137945025 = 297758^2 + 11745^2 .

It is a cyclic number.

It is not a de Polignac number, because 88797771589 - 2²⁹ = 88260900677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88797771989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44398885794 + 44398885795.

It is an arithmetic number, because the mean of its divisors is an integer number (44398885795).

Almost surely, 2^88797771589 is an apocalyptic number.

It is an amenable number.

88797771589 is a deficient number, since it is larger than the sum of its proper divisors (1).

88797771589 is an equidigital number, since it uses as much as digits as its factorization.

88797771589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497871360, while the sum is 76.

The spelling of 88797771589 in words is "eighty-eight billion, seven hundred ninety-seven million, seven hundred seventy-one thousand, five hundred eighty-nine".