88387291 has 4 divisors (see below), whose sum is σ = 88408584. Its totient is φ = 88366000.

The previous prime is 88387283. The next prime is 88387303. The reversal of 88387291 is 19278388.

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 88387291 - 2³ = 88387283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88387241) 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, 2170 + ... + 13471.

It is an arithmetic number, because the mean of its divisors is an integer number (22102146).

Almost surely, 2^88387291 is an apocalyptic number.

88387291 is a deficient number, since it is larger than the sum of its proper divisors (21293).

88387291 is a wasteful number, since it uses less digits than its factorization.

88387291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21292.

The product of its digits is 193536, while the sum is 46.

The square root of 88387291 is about 9401.4515368639. The cubic root of 88387291 is about 445.4475840052.

It can be divided in two parts, 8838 and 7291, that added together give a square (16129 = 127²).

The spelling of 88387291 in words is "eighty-eight million, three hundred eighty-seven thousand, two hundred ninety-one".