85780750100 has 36 divisors (see below), whose sum is σ = 192563000700. Its totient is φ = 33129116160.

The previous prime is 85780750073. The next prime is 85780750147. The reversal of 85780750100 is 105708758.

It can be written as a sum of positive squares in 6 ways, for example, as 18871615876 + 66909134224 = 137374^2 + 258668^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14786885 + ... + 14792684.

Almost surely, 2^85780750100 is an apocalyptic number.

It is an amenable number.

85780750100 is an abundant number, since it is smaller than the sum of its proper divisors (106782250600).

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

85780750100 is a wasteful number, since it uses less digits than its factorization.

85780750100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29579612 (or 29579605 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 41.

The spelling of 85780750100 in words is "eighty-five billion, seven hundred eighty million, seven hundred fifty thousand, one hundred".