88240291 has 16 divisors (see below), whose sum is σ = 94445568. Its totient is φ = 82303200.

The previous prime is 88240279. The next prime is 88240303. The reversal of 88240291 is 19204288.

It is an interprime number because it is at equal distance from previous prime (88240279) and next prime (88240303).

It is not a de Polignac number, because 88240291 - 2¹¹ = 88238243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88240091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103021 + ... + 103873.

It is an arithmetic number, because the mean of its divisors is an integer number (5902848).

Almost surely, 2^88240291 is an apocalyptic number.

88240291 is a deficient number, since it is larger than the sum of its proper divisors (6205277).

88240291 is a wasteful number, since it uses less digits than its factorization.

88240291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 88240291 is about 9393.6303418859. The cubic root of 88240291 is about 445.2005004828.

The spelling of 88240291 in words is "eighty-eight million, two hundred forty thousand, two hundred ninety-one".