857580048 has 360 divisors, whose sum is σ = 2889065088. Its totient is φ = 244664064.

The previous prime is 857580019. The next prime is 857580049. The reversal of 857580048 is 840085758.

It is a junction number, because it is equal to n+sod(n) for n = 857579985 and 857580012.

It is not an unprimeable number, because it can be changed into a prime (857580049) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18246361 + ... + 18246407.

Almost surely, 2^857580048 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 857580048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444532544).

857580048 is an abundant number, since it is smaller than the sum of its proper divisors (2031485040).

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

857580048 is a wasteful number, since it uses less digits than its factorization.

857580048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 857580048 is about 29284.4676919353. The cubic root of 857580048 is about 950.0757272967.

The spelling of 857580048 in words is "eight hundred fifty-seven million, five hundred eighty thousand, forty-eight".