85773257500 has 60 divisors (see below), whose sum is σ = 214364568880. Its totient is φ = 29407968000.

The previous prime is 85773257477. The next prime is 85773257501. The reversal of 85773257500 is 575237758.

It is a super-2 number, since 2×85773257500² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85773257501) 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 19 ways as a sum of consecutive naturals, for example, 2433165 + ... + 2468164.

Almost surely, 2^85773257500 is an apocalyptic number.

It is an amenable number.

85773257500 is an abundant number, since it is smaller than the sum of its proper divisors (128591311380).

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

85773257500 is a wasteful number, since it uses less digits than its factorization.

85773257500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901360 (or 4901343 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 85773257500 in words is "eighty-five billion, seven hundred seventy-three million, two hundred fifty-seven thousand, five hundred".