87393898 has 8 divisors (see below), whose sum is σ = 135319680. Its totient is φ = 42287340.

The previous prime is 87393871. The next prime is 87393947. The reversal of 87393898 is 89839378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704728 + ... + 704851.

It is an arithmetic number, because the mean of its divisors is an integer number (16914960).

Almost surely, 2^87393898 is an apocalyptic number.

87393898 is a deficient number, since it is larger than the sum of its proper divisors (47925782).

87393898 is a wasteful number, since it uses less digits than its factorization.

87393898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409612.

The product of its digits is 2612736, while the sum is 55.

The square root of 87393898 is about 9348.4703561599. The cubic root of 87393898 is about 443.7724837381.

The spelling of 87393898 in words is "eighty-seven million, three hundred ninety-three thousand, eight hundred ninety-eight".