85780750099 has 12 divisors (see below), whose sum is σ = 99250457320. Its totient is φ = 73878156000.

The previous prime is 85780750073. The next prime is 85780750147. The reversal of 85780750099 is 99005708758.

It is not a de Polignac number, because 85780750099 - 2¹⁷ = 85780619027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85780750019) 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 11 ways as a sum of consecutive naturals, for example, 18653802 + ... + 18658399.

Almost surely, 2^85780750099 is an apocalyptic number.

85780750099 is a deficient number, since it is larger than the sum of its proper divisors (13469707221).

85780750099 is a wasteful number, since it uses less digits than its factorization.

85780750099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37312242 (or 37312231 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 58.

The spelling of 85780750099 in words is "eighty-five billion, seven hundred eighty million, seven hundred fifty thousand, ninety-nine".