857740581404 has 48 divisors (see below), whose sum is σ = 1761830300160. Its totient is φ = 357794529600.

The previous prime is 857740581367. The next prime is 857740581409. The reversal of 857740581404 is 404185047758.

857740581404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×857740581404² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857740581409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403512 + ... + 2737215.

It is an arithmetic number, because the mean of its divisors is an integer number (36704797920).

Almost surely, 2^857740581404 is an apocalyptic number.

It is an amenable number.

857740581404 is an abundant number, since it is smaller than the sum of its proper divisors (904089718756).

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

857740581404 is a wasteful number, since it uses less digits than its factorization.

857740581404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140898 (or 5140896 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 53.

The spelling of 857740581404 in words is "eight hundred fifty-seven billion, seven hundred forty million, five hundred eighty-one thousand, four hundred four".