87397598 has 4 divisors (see below), whose sum is σ = 131096400. Its totient is φ = 43698798.

The previous prime is 87397591. The next prime is 87397633. The reversal of 87397598 is 89579378.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87397591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21849398 + ... + 21849401.

It is an arithmetic number, because the mean of its divisors is an integer number (32774100).

Almost surely, 2^87397598 is an apocalyptic number.

87397598 is a deficient number, since it is larger than the sum of its proper divisors (43698802).

87397598 is a wasteful number, since it uses less digits than its factorization.

87397598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43698801.

The product of its digits is 3810240, while the sum is 56.

The square root of 87397598 is about 9348.6682474029. The cubic root of 87397598 is about 443.7787463226.

The spelling of 87397598 in words is "eighty-seven million, three hundred ninety-seven thousand, five hundred ninety-eight".