855077964 has 48 divisors (see below), whose sum is σ = 2154173280. Its totient is φ = 262425600.

The previous prime is 855077953. The next prime is 855077983. The reversal of 855077964 is 469770558.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55722 + ... + 69390.

It is an arithmetic number, because the mean of its divisors is an integer number (44878610).

Almost surely, 2^855077964 is an apocalyptic number.

It is an amenable number.

855077964 is an abundant number, since it is smaller than the sum of its proper divisors (1299095316).

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

855077964 is a wasteful number, since it uses less digits than its factorization.

855077964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14090 (or 14088 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The square root of 855077964 is about 29241.7161603077. The cubic root of 855077964 is about 949.1508437944.

The spelling of 855077964 in words is "eight hundred fifty-five million, seventy-seven thousand, nine hundred sixty-four".