856626552 has 48 divisors (see below), whose sum is σ = 2442141000. Its totient is φ = 270513216.

The previous prime is 856626541. The next prime is 856626577. The reversal of 856626552 is 255626658.

856626552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 856626498 and 856626507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311727 + ... + 314462.

Almost surely, 2^856626552 is an apocalyptic number.

It is an amenable number.

856626552 is an abundant number, since it is smaller than the sum of its proper divisors (1585514448).

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

856626552 is a wasteful number, since it uses less digits than its factorization.

856626552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626220 (or 626213 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 856626552 is about 29268.1832712589. The cubic root of 856626552 is about 949.7234844350.

The spelling of 856626552 in words is "eight hundred fifty-six million, six hundred twenty-six thousand, five hundred fifty-two".