85417270507 has 4 divisors (see below), whose sum is σ = 85663430136. Its totient is φ = 85171110880.

The previous prime is 85417270453. The next prime is 85417270511. The reversal of 85417270507 is 70507271458.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85417270507 is a prime.

It is a super-2 number, since 2×85417270507² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85417270577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123079294 + ... + 123079987.

It is an arithmetic number, because the mean of its divisors is an integer number (21415857534).

Almost surely, 2^85417270507 is an apocalyptic number.

85417270507 is a deficient number, since it is larger than the sum of its proper divisors (246159629).

85417270507 is a wasteful number, since it uses less digits than its factorization.

85417270507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246159628.

The product of its (nonzero) digits is 548800, while the sum is 46.

The spelling of 85417270507 in words is "eighty-five billion, four hundred seventeen million, two hundred seventy thousand, five hundred seven".