856746485 has 16 divisors (see below), whose sum is σ = 1188172800. Its totient is φ = 580880256.

The previous prime is 856746463. The next prime is 856746523. The reversal of 856746485 is 584647658.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 856746485 - 2¹⁴ = 856730101 is a prime.

It is a super-3 number, since 3×856746485³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134405 + ... + 140634.

It is an arithmetic number, because the mean of its divisors is an integer number (74260800).

Almost surely, 2^856746485 is an apocalyptic number.

It is an amenable number.

856746485 is a deficient number, since it is larger than the sum of its proper divisors (331426315).

856746485 is a wasteful number, since it uses less digits than its factorization.

856746485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275140.

The product of its digits is 6451200, while the sum is 53.

The square root of 856746485 is about 29270.2320626264. The cubic root of 856746485 is about 949.7678047482.

The spelling of 856746485 in words is "eight hundred fifty-six million, seven hundred forty-six thousand, four hundred eighty-five".