88995997 has 2 divisors, whose sum is σ = 88995998. Its totient is φ = 88995996.

The previous prime is 88995961. The next prime is 88996007. The reversal of 88995997 is 79959988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82973881 + 6022116 = 9109^2 + 2454^2 .

It is a cyclic number.

It is not a de Polignac number, because 88995997 - 2⁷ = 88995869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88995917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44497998 + 44497999.

It is an arithmetic number, because the mean of its divisors is an integer number (44497999).

Almost surely, 2^88995997 is an apocalyptic number.

It is an amenable number.

88995997 is a deficient number, since it is larger than the sum of its proper divisors (1).

88995997 is an equidigital number, since it uses as much as digits as its factorization.

88995997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 64.

The square root of 88995997 is about 9433.7689710953. The cubic root of 88995997 is about 446.4678156848.

The spelling of 88995997 in words is "eighty-eight million, nine hundred ninety-five thousand, nine hundred ninety-seven".