857357030 has 8 divisors (see below), whose sum is σ = 1543242672. Its totient is φ = 342942808.

The previous prime is 857357029. The next prime is 857357047. The reversal of 857357030 is 30753758.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×857357030² = 1470122153780841800, which 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 3 ways as a sum of consecutive naturals, for example, 42867842 + ... + 42867861.

It is an arithmetic number, because the mean of its divisors is an integer number (192905334).

Almost surely, 2^857357030 is an apocalyptic number.

857357030 is a deficient number, since it is larger than the sum of its proper divisors (685885642).

857357030 is a wasteful number, since it uses less digits than its factorization.

857357030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85735710.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 857357030 is about 29280.6596578697. The cubic root of 857357030 is about 949.9933628345.

The spelling of 857357030 in words is "eight hundred fifty-seven million, three hundred fifty-seven thousand, thirty".