88668917 has 4 divisors (see below), whose sum is σ = 90171840. Its totient is φ = 87165996.

The previous prime is 88668913. The next prime is 88668919. The reversal of 88668917 is 71986688.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88668917 - 2² = 88668913 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 (88668913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751373 + ... + 751490.

It is an arithmetic number, because the mean of its divisors is an integer number (22542960).

Almost surely, 2^88668917 is an apocalyptic number.

It is an amenable number.

88668917 is a deficient number, since it is larger than the sum of its proper divisors (1502923).

88668917 is a wasteful number, since it uses less digits than its factorization.

88668917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502922.

The product of its digits is 1161216, while the sum is 53.

The square root of 88668917 is about 9416.4174185303. The cubic root of 88668917 is about 445.9201882161.

The spelling of 88668917 in words is "eighty-eight million, six hundred sixty-eight thousand, nine hundred seventeen".