8199390974 has 8 divisors (see below), whose sum is σ = 12299503320. Its totient is φ = 4099556536.

The previous prime is 8199390949. The next prime is 8199391007. The reversal of 8199390974 is 4790939918.

8199390974 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36797 + ... + 133239.

It is an arithmetic number, because the mean of its divisors is an integer number (1537437915).

Almost surely, 2^8199390974 is an apocalyptic number.

8199390974 is a deficient number, since it is larger than the sum of its proper divisors (4100112346).

8199390974 is a wasteful number, since it uses less digits than its factorization.

8199390974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138954.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The square root of 8199390974 is about 90550.4885354022. The cubic root of 8199390974 is about 2016.4797504454.

The spelling of 8199390974 in words is "eight billion, one hundred ninety-nine million, three hundred ninety thousand, nine hundred seventy-four".