857872150158 has 8 divisors (see below), whose sum is σ = 1715744300328. Its totient is φ = 285957383384.

The previous prime is 857872150127. The next prime is 857872150171. The reversal of 857872150158 is 851051278758.

It is a sphenic number, since it is the product of 3 distinct primes.

857872150158 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 857872150098 and 857872150107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71489345841 + ... + 71489345852.

It is an arithmetic number, because the mean of its divisors is an integer number (214468037541).

Almost surely, 2^857872150158 is an apocalyptic number.

857872150158 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

857872150158 is a wasteful number, since it uses less digits than its factorization.

857872150158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142978691698.

The product of its (nonzero) digits is 6272000, while the sum is 57.

The spelling of 857872150158 in words is "eight hundred fifty-seven billion, eight hundred seventy-two million, one hundred fifty thousand, one hundred fifty-eight".