857151447059 has 4 divisors (see below), whose sum is σ = 859086326616. Its totient is φ = 855216567504.

The previous prime is 857151447013. The next prime is 857151447067. The reversal of 857151447059 is 950744151758.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 857151447059 - 2¹⁶ = 857151381523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 857151446995 and 857151447013.

It is not an unprimeable number, because it can be changed into a prime (857151440059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967439114 + ... + 967439999.

It is an arithmetic number, because the mean of its divisors is an integer number (214771581654).

Almost surely, 2^857151447059 is an apocalyptic number.

857151447059 is a deficient number, since it is larger than the sum of its proper divisors (1934879557).

857151447059 is a wasteful number, since it uses less digits than its factorization.

857151447059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934879556.

The product of its (nonzero) digits is 7056000, while the sum is 56.

The spelling of 857151447059 in words is "eight hundred fifty-seven billion, one hundred fifty-one million, four hundred forty-seven thousand, fifty-nine".