88197399 has 12 divisors (see below), whose sum is σ = 129485512. Its totient is φ = 57834000.

The previous prime is 88197391. The next prime is 88197409. The reversal of 88197399 is 99379188.

It is not a de Polignac number, because 88197399 - 2³ = 88197391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88197391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79777 + ... + 80874.

Almost surely, 2^88197399 is an apocalyptic number.

88197399 is a deficient number, since it is larger than the sum of its proper divisors (41288113).

88197399 is a wasteful number, since it uses less digits than its factorization.

88197399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160718 (or 160715 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 88197399 is about 9391.3470279827. The cubic root of 88197399 is about 445.1283541708.

The spelling of 88197399 in words is "eighty-eight million, one hundred ninety-seven thousand, three hundred ninety-nine".