74087085798 has 48 divisors (see below), whose sum is σ = 175780889856. Its totient is φ = 22365252720.

The previous prime is 74087085781. The next prime is 74087085817. The reversal of 74087085798 is 89758078047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659290 + ... + 763437.

It is an arithmetic number, because the mean of its divisors is an integer number (3662101872).

Almost surely, 2^74087085798 is an apocalyptic number.

74087085798 is an abundant number, since it is smaller than the sum of its proper divisors (101693804058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74087085798 is a wasteful number, since it uses less digits than its factorization.

74087085798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423009 (or 1423006 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 63.

The spelling of 74087085798 in words is "seventy-four billion, eighty-seven million, eighty-five thousand, seven hundred ninety-eight".