855491076 has 72 divisors (see below), whose sum is σ = 2416665888. Its totient is φ = 252912000.

The previous prime is 855491071. The next prime is 855491083. The reversal of 855491076 is 670194558.

855491076 is a `hidden beast` number, since 8 + 554 + 91 + 0 + 7 + 6 = 666.

It is a super-2 number, since 2×855491076² = 1463729962231275552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (855491071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10110 + ... + 42581.

It is an arithmetic number, because the mean of its divisors is an integer number (33564804).

Almost surely, 2^855491076 is an apocalyptic number.

It is an amenable number.

855491076 is an abundant number, since it is smaller than the sum of its proper divisors (1561174812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855491076 is a wasteful number, since it uses less digits than its factorization.

855491076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52753 (or 52748 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 855491076 is about 29248.7790514408. The cubic root of 855491076 is about 949.3036729286.

The spelling of 855491076 in words is "eight hundred fifty-five million, four hundred ninety-one thousand, seventy-six".