856002037 has 16 divisors (see below), whose sum is σ = 996948864. Its totient is φ = 732388800.

The previous prime is 856002029. The next prime is 856002047. The reversal of 856002037 is 730200658.

It is not a de Polignac number, because 856002037 - 2³ = 856002029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856002047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3712 + ... + 41542.

It is an arithmetic number, because the mean of its divisors is an integer number (62309304).

Almost surely, 2^856002037 is an apocalyptic number.

It is an amenable number.

856002037 is a deficient number, since it is larger than the sum of its proper divisors (140946827).

856002037 is a wasteful number, since it uses less digits than its factorization.

856002037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37881 (or 37859 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 856002037 is about 29257.5124882482. The cubic root of 856002037 is about 949.4926328641.

The spelling of 856002037 in words is "eight hundred fifty-six million, two thousand, thirty-seven".