857037627380 has 96 divisors (see below), whose sum is σ = 1975348988928. Its totient is φ = 309757132800.

The previous prime is 857037627371. The next prime is 857037627451. The reversal of 857037627380 is 83726730758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31433834 + ... + 31461086.

It is an arithmetic number, because the mean of its divisors is an integer number (20576551968).

Almost surely, 2^857037627380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 857037627380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987674494464).

857037627380 is an abundant number, since it is smaller than the sum of its proper divisors (1118311361548).

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

857037627380 is a wasteful number, since it uses less digits than its factorization.

857037627380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28137 (or 28135 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 857037627380 in words is "eight hundred fifty-seven billion, thirty-seven million, six hundred twenty-seven thousand, three hundred eighty".