857253016 has 64 divisors (see below), whose sum is σ = 1748649600. Its totient is φ = 392491008.

The previous prime is 857252993. The next prime is 857253049. The reversal of 857253016 is 610352758.

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, 783766 + ... + 784858.

It is an arithmetic number, because the mean of its divisors is an integer number (27322650).

Almost surely, 2^857253016 is an apocalyptic number.

It is an amenable number.

857253016 is an abundant number, since it is smaller than the sum of its proper divisors (891396584).

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

857253016 is a wasteful number, since it uses less digits than its factorization.

857253016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 857253016 is about 29278.8834486563. The cubic root of 857253016 is about 949.9549437542.

The spelling of 857253016 in words is "eight hundred fifty-seven million, two hundred fifty-three thousand, sixteen".