88192291 has 16 divisors (see below), whose sum is σ = 97959168. Its totient is φ = 78732000.

The previous prime is 88192283. The next prime is 88192309. The reversal of 88192291 is 19229188.

It is a 9-Lehmer number, since φ(88192291) divides (88192291-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 88192291 - 2³ = 88192283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88192211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180850 + ... + 181336.

It is an arithmetic number, because the mean of its divisors is an integer number (6122448).

Almost surely, 2^88192291 is an apocalyptic number.

88192291 is a deficient number, since it is larger than the sum of its proper divisors (9766877).

88192291 is a wasteful number, since it uses less digits than its factorization.

88192291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762.

The product of its digits is 20736, while the sum is 40.

The square root of 88192291 is about 9391.0750715773. The cubic root of 88192291 is about 445.1197607219.

The spelling of 88192291 in words is "eighty-eight million, one hundred ninety-two thousand, two hundred ninety-one".