88390587 has 16 divisors (see below), whose sum is σ = 123206400. Its totient is φ = 56260512.

The previous prime is 88390559. The next prime is 88390609. The reversal of 88390587 is 78509388.

It is a happy number.

It is not a de Polignac number, because 88390587 - 2²⁰ = 87342011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88390187) 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, 56289 + ... + 57837.

It is an arithmetic number, because the mean of its divisors is an integer number (7700400).

Almost surely, 2^88390587 is an apocalyptic number.

88390587 is a deficient number, since it is larger than the sum of its proper divisors (34815813).

88390587 is a wasteful number, since it uses less digits than its factorization.

88390587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 88390587 is about 9401.6268273103. The cubic root of 88390587 is about 445.4531209135.

The spelling of 88390587 in words is "eighty-eight million, three hundred ninety thousand, five hundred eighty-seven".