85099117724 has 12 divisors (see below), whose sum is σ = 150458750064. Its totient is φ = 42110903424.

The previous prime is 85099117723. The next prime is 85099117739. The reversal of 85099117724 is 42771199058.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85099117723) 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, 109663424 + ... + 109664199.

It is an arithmetic number, because the mean of its divisors is an integer number (12538229172).

Almost surely, 2^85099117724 is an apocalyptic number.

It is an amenable number.

85099117724 is a deficient number, since it is larger than the sum of its proper divisors (65359632340).

85099117724 is a wasteful number, since it uses less digits than its factorization.

85099117724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219327724 (or 219327722 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 85099117724 in words is "eighty-five billion, ninety-nine million, one hundred seventeen thousand, seven hundred twenty-four".