855877894 has 8 divisors (see below), whose sum is σ = 1284463800. Its totient is φ = 427723296.

The previous prime is 855877877. The next prime is 855877907. The reversal of 855877894 is 498778558.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102819 + ... + 110830.

It is an arithmetic number, because the mean of its divisors is an integer number (160557975).

Almost surely, 2^855877894 is an apocalyptic number.

855877894 is a deficient number, since it is larger than the sum of its proper divisors (428585906).

855877894 is a wasteful number, since it uses less digits than its factorization.

855877894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215654.

The product of its digits is 22579200, while the sum is 61.

The square root of 855877894 is about 29255.3908536529. The cubic root of 855877894 is about 949.4467301063.

The spelling of 855877894 in words is "eight hundred fifty-five million, eight hundred seventy-seven thousand, eight hundred ninety-four".