856060487 has 4 divisors (see below), whose sum is σ = 856191336. Its totient is φ = 855929640.

The previous prime is 856060463. The next prime is 856060507. The reversal of 856060487 is 784060658.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856060487 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 (856060427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55064 + ... + 68877.

It is an arithmetic number, because the mean of its divisors is an integer number (214047834).

Almost surely, 2^856060487 is an apocalyptic number.

856060487 is a deficient number, since it is larger than the sum of its proper divisors (130849).

856060487 is a wasteful number, since it uses less digits than its factorization.

856060487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130848.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 856060487 is about 29258.5113599445. The cubic root of 856060487 is about 949.5142436309.

The spelling of 856060487 in words is "eight hundred fifty-six million, sixty thousand, four hundred eighty-seven".