85454718699 has 48 divisors (see below), whose sum is σ = 139399418880. Its totient is φ = 46364310720.

The previous prime is 85454718697. The next prime is 85454718709. The reversal of 85454718699 is 99681745458.

It is not a de Polignac number, because 85454718699 - 2¹ = 85454718697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85454718697) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64612 + ... + 418430.

It is an arithmetic number, because the mean of its divisors is an integer number (2904154560).

Almost surely, 2^85454718699 is an apocalyptic number.

85454718699 is a deficient number, since it is larger than the sum of its proper divisors (53944700181).

85454718699 is a wasteful number, since it uses less digits than its factorization.

85454718699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353920 (or 353913 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 85454718699 in words is "eighty-five billion, four hundred fifty-four million, seven hundred eighteen thousand, six hundred ninety-nine".