857228657150 has 24 divisors (see below), whose sum is σ = 1594624463544. Its totient is φ = 342852933600.

The previous prime is 857228657119. The next prime is 857228657177. The reversal of 857228657150 is 51756822758.

It is a super-2 number, since 2×857228657150² (a number of 25 digits) contains 22 as substring.

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, 511712 + ... + 1405811.

It is an arithmetic number, because the mean of its divisors is an integer number (66442685981).

Almost surely, 2^857228657150 is an apocalyptic number.

857228657150 is a deficient number, since it is larger than the sum of its proper divisors (737395806394).

857228657150 is a wasteful number, since it uses less digits than its factorization.

857228657150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926476 (or 1926471 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 857228657150 in words is "eight hundred fifty-seven billion, two hundred twenty-eight million, six hundred fifty-seven thousand, one hundred fifty".