8445592974798 has 144 divisors (see below), whose sum is σ = 21979107596160. Its totient is φ = 2334537676800.

The previous prime is 8445592974787. The next prime is 8445592974817. The reversal of 8445592974798 is 8974792955448.

8445592974798 is a `hidden beast` number, since 8 + 4 + 4 + 5 + 59 + 2 + 97 + 479 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102792198 + ... + 102874326.

It is an arithmetic number, because the mean of its divisors is an integer number (152632691640).

Almost surely, 2^{8445592974798} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8445592974798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10989553798080).

8445592974798 is an abundant number, since it is smaller than the sum of its proper divisors (13533514621362).

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

8445592974798 is a wasteful number, since it uses less digits than its factorization.

8445592974798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85943 (or 85933 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 81.

The spelling of 8445592974798 in words is "eight trillion, four hundred forty-five billion, five hundred ninety-two million, nine hundred seventy-four thousand, seven hundred ninety-eight".