85387996575 has 216 divisors, whose sum is σ = 187553620800. Its totient is φ = 36970053120.

The previous prime is 85387996549. The next prime is 85387996597. The reversal of 85387996575 is 57569978358.

It is not a de Polignac number, because 85387996575 - 2⁵ = 85387996543 is a prime.

It is a super-2 number, since 2×85387996575² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 16942906 + ... + 16947944.

It is an arithmetic number, because the mean of its divisors is an integer number (868303800).

Almost surely, 2^85387996575 is an apocalyptic number.

85387996575 is an abundant number, since it is smaller than the sum of its proper divisors (102165624225).

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

85387996575 is a wasteful number, since it uses less digits than its factorization.

85387996575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5136 counting only the distinct ones).

The product of its digits is 571536000, while the sum is 72.

The spelling of 85387996575 in words is "eighty-five billion, three hundred eighty-seven million, nine hundred ninety-six thousand, five hundred seventy-five".