857077433130 has 32 divisors (see below), whose sum is σ = 2061736415424. Its totient is φ = 228026140416.

The previous prime is 857077433101. The next prime is 857077433137. The reversal of 857077433130 is 31334770758.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 857077433130.

It is not an unprimeable number, because it can be changed into a prime (857077433137) 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, 32976904 + ... + 33002883.

It is an arithmetic number, because the mean of its divisors is an integer number (64429262982).

Almost surely, 2^857077433130 is an apocalyptic number.

857077433130 is an abundant number, since it is smaller than the sum of its proper divisors (1204658982294).

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

857077433130 is a wasteful number, since it uses less digits than its factorization.

857077433130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65980230.

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 857077433130 in words is "eight hundred fifty-seven billion, seventy-seven million, four hundred thirty-three thousand, one hundred thirty".