856037061 has 24 divisors (see below), whose sum is σ = 1354541760. Its totient is φ = 516643200.

The previous prime is 856037041. The next prime is 856037093. The reversal of 856037061 is 160730658.

856037061 is a `hidden beast` number, since 8 + 560 + 37 + 0 + 61 = 666.

It is not a de Polignac number, because 856037061 - 2⁵ = 856037029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856037011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5920 + ... + 41798.

It is an arithmetic number, because the mean of its divisors is an integer number (56439240).

Almost surely, 2^856037061 is an apocalyptic number.

It is an amenable number.

856037061 is a deficient number, since it is larger than the sum of its proper divisors (498504699).

856037061 is a wasteful number, since it uses less digits than its factorization.

856037061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36137 (or 36134 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 856037061 is about 29258.1110292514. Note that the first 3 decimals coincide. The cubic root of 856037061 is about 949.5055824347.

The spelling of 856037061 in words is "eight hundred fifty-six million, thirty-seven thousand, sixty-one".