88531791 has 4 divisors (see below), whose sum is σ = 118042392. Its totient is φ = 59021192.

The previous prime is 88531769. The next prime is 88531799. The reversal of 88531791 is 19713588.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88531791 - 2¹¹ = 88529743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88531799) 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, 14755296 + ... + 14755301.

It is an arithmetic number, because the mean of its divisors is an integer number (29510598).

Almost surely, 2^88531791 is an apocalyptic number.

88531791 is a deficient number, since it is larger than the sum of its proper divisors (29510601).

88531791 is a wasteful number, since it uses less digits than its factorization.

88531791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29510600.

The product of its digits is 60480, while the sum is 42.

The square root of 88531791 is about 9409.1333819858. The cubic root of 88531791 is about 445.6901985639.

The spelling of 88531791 in words is "eighty-eight million, five hundred thirty-one thousand, seven hundred ninety-one".