157834517085 has 80 divisors (see below), whose sum is σ = 333782879232. Its totient is φ = 69825369600.

The previous prime is 157834517081. The next prime is 157834517101. The reversal of 157834517085 is 580715438751.

157834517085 is a `hidden beast` number, since 1 + 57 + 8 + 345 + 170 + 85 = 666.

It is not a de Polignac number, because 157834517085 - 2² = 157834517081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157834517081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 810076 + ... + 985845.

Almost surely, 2^157834517085 is an apocalyptic number.

157834517085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157834517085 is an abundant number, since it is smaller than the sum of its proper divisors (175948362147).

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

157834517085 is a wasteful number, since it uses less digits than its factorization.

157834517085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795976 (or 1795967 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 157834517085 in words is "one hundred fifty-seven billion, eight hundred thirty-four million, five hundred seventeen thousand, eighty-five".