873998655 has 16 divisors (see below), whose sum is σ = 1443508224. Its totient is φ = 451095840.

The previous prime is 873998641. The next prime is 873998663. The reversal of 873998655 is 556899378.

It is not a de Polignac number, because 873998655 - 2⁷ = 873998527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 939319 + ... + 940248.

It is an arithmetic number, because the mean of its divisors is an integer number (90219264).

Almost surely, 2^873998655 is an apocalyptic number.

873998655 is a deficient number, since it is larger than the sum of its proper divisors (569509569).

873998655 is a wasteful number, since it uses less digits than its factorization.

873998655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879606.

The product of its digits is 16329600, while the sum is 60.

The square root of 873998655 is about 29563.4682505284. The cubic root of 873998655 is about 956.1005941981.

The spelling of 873998655 in words is "eight hundred seventy-three million, nine hundred ninety-eight thousand, six hundred fifty-five".