857829064 has 16 divisors (see below), whose sum is σ = 1612915200. Its totient is φ = 427718352.

The previous prime is 857829023. The next prime is 857829083. The reversal of 857829064 is 460928758.

It is a junction number, because it is equal to n+sod(n) for n = 857828999 and 857829017.

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, 146472 + ... + 152215.

It is an arithmetic number, because the mean of its divisors is an integer number (100807200).

Almost surely, 2^857829064 is an apocalyptic number.

It is an amenable number.

857829064 is a deficient number, since it is larger than the sum of its proper divisors (755086136).

857829064 is a wasteful number, since it uses less digits than its factorization.

857829064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299052 (or 299048 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 857829064 is about 29288.7190570021. The cubic root of 857829064 is about 950.1676764050.

It can be divided in two parts, 857 and 829064, that added together give a square (829921 = 911²).

The spelling of 857829064 in words is "eight hundred fifty-seven million, eight hundred twenty-nine thousand, sixty-four".