85807428462299 has 4 divisors (see below), whose sum is σ = 87088136349864. Its totient is φ = 84526720574736.

The previous prime is 85807428462289. The next prime is 85807428462311. The reversal of 85807428462299 is 99226482470858.

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 85807428462299 - 2⁸ = 85807428462043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85807428462289) 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, 640353943682 + ... + 640353943815.

It is an arithmetic number, because the mean of its divisors is an integer number (21772034087466).

Almost surely, 2^{85807428462299} is an apocalyptic number.

85807428462299 is a deficient number, since it is larger than the sum of its proper divisors (1280707887565).

85807428462299 is a wasteful number, since it uses less digits than its factorization.

85807428462299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280707887564.

The product of its (nonzero) digits is 1114767360, while the sum is 74.

The spelling of 85807428462299 in words is "eighty-five trillion, eight hundred seven billion, four hundred twenty-eight million, four hundred sixty-two thousand, two hundred ninety-nine".