85104742659 has 4 divisors (see below), whose sum is σ = 113472990216. Its totient is φ = 56736495104.

The previous prime is 85104742651. The next prime is 85104742687. The reversal of 85104742659 is 95624740158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85104742659 - 2³ = 85104742651 is a prime.

It is a super-2 number, since 2×85104742659² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85104742651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14184123774 + ... + 14184123779.

It is an arithmetic number, because the mean of its divisors is an integer number (28368247554).

Almost surely, 2^85104742659 is an apocalyptic number.

85104742659 is a deficient number, since it is larger than the sum of its proper divisors (28368247557).

85104742659 is a wasteful number, since it uses less digits than its factorization.

85104742659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28368247556.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 85104742659 in words is "eighty-five billion, one hundred four million, seven hundred forty-two thousand, six hundred fifty-nine".