88249591 has 12 divisors (see below), whose sum is σ = 92015352. Its totient is φ = 84630000.

The previous prime is 88249573. The next prime is 88249613. The reversal of 88249591 is 19594288.

It is not a de Polignac number, because 88249591 - 2⁹ = 88249079 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 (88249531) 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, 125541 + ... + 126241.

It is an arithmetic number, because the mean of its divisors is an integer number (7667946).

Almost surely, 2^88249591 is an apocalyptic number.

88249591 is a deficient number, since it is larger than the sum of its proper divisors (3765761).

88249591 is a wasteful number, since it uses less digits than its factorization.

88249591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 863 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 88249591 is about 9394.1253451293. The cubic root of 88249591 is about 445.2161404252.

The spelling of 88249591 in words is "eighty-eight million, two hundred forty-nine thousand, five hundred ninety-one".