857680936094 has 16 divisors (see below), whose sum is σ = 1289423575440. Its totient is φ = 427873239360.

The previous prime is 857680936051. The next prime is 857680936103. The reversal of 857680936094 is 490639086758.

It is a super-2 number, since 2×857680936094² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 857680936094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12883097 + ... + 12949499.

It is an arithmetic number, because the mean of its divisors is an integer number (80588973465).

Almost surely, 2^857680936094 is an apocalyptic number.

857680936094 is a deficient number, since it is larger than the sum of its proper divisors (431742639346).

857680936094 is a wasteful number, since it uses less digits than its factorization.

857680936094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80875.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 857680936094 in words is "eight hundred fifty-seven billion, six hundred eighty million, nine hundred thirty-six thousand, ninety-four".