857270712425 has 24 divisors (see below), whose sum is σ = 1083541898880. Its totient is φ = 672627809600.

The previous prime is 857270712323. The next prime is 857270712427. The reversal of 857270712425 is 524217072758.

857270712425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 857270712425 - 2¹⁴ = 857270696041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (857270712427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38522 + ... + 1309971.

It is an arithmetic number, because the mean of its divisors is an integer number (45147579120).

Almost surely, 2^857270712425 is an apocalyptic number.

It is an amenable number.

857270712425 is a deficient number, since it is larger than the sum of its proper divisors (226271186455).

857270712425 is a wasteful number, since it uses less digits than its factorization.

857270712425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348993 (or 1348988 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 50.

The spelling of 857270712425 in words is "eight hundred fifty-seven billion, two hundred seventy million, seven hundred twelve thousand, four hundred twenty-five".