74087085799 has 4 divisors (see below), whose sum is σ = 74098580400. Its totient is φ = 74075591200.

The previous prime is 74087085781. The next prime is 74087085817. The reversal of 74087085799 is 99758078047.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (74087085781) and next prime (74087085817).

It is a cyclic number.

It is not a de Polignac number, because 74087085799 - 2⁵ = 74087085767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74087085799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74087085199) 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, 5737627 + ... + 5750524.

It is an arithmetic number, because the mean of its divisors is an integer number (18524645100).

Almost surely, 2^74087085799 is an apocalyptic number.

74087085799 is a deficient number, since it is larger than the sum of its proper divisors (11494601).

74087085799 is a wasteful number, since it uses less digits than its factorization.

74087085799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494600.

The product of its (nonzero) digits is 35562240, while the sum is 64.

The spelling of 74087085799 in words is "seventy-four billion, eighty-seven million, eighty-five thousand, seven hundred ninety-nine".