88397117 has 2 divisors, whose sum is σ = 88397118. Its totient is φ = 88397116.

The previous prime is 88397069. The next prime is 88397149. The reversal of 88397117 is 71179388.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79905721 + 8491396 = 8939^2 + 2914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88397117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88390117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44198558 + 44198559.

It is an arithmetic number, because the mean of its divisors is an integer number (44198559).

Almost surely, 2^88397117 is an apocalyptic number.

It is an amenable number.

88397117 is a deficient number, since it is larger than the sum of its proper divisors (1).

88397117 is an equidigital number, since it uses as much as digits as its factorization.

88397117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 44.

The square root of 88397117 is about 9401.9741012194. The cubic root of 88397117 is about 445.4640901707.

The spelling of 88397117 in words is "eighty-eight million, three hundred ninety-seven thousand, one hundred seventeen".