8119944774 has 24 divisors (see below), whose sum is σ = 17619855552. Its totient is φ = 2702549520.

The previous prime is 8119944757. The next prime is 8119944803. The reversal of 8119944774 is 4774499118.

8119944774 is a `hidden beast` number, since 8 + 1 + 199 + 447 + 7 + 4 = 666.

It is a super-2 number, since 2×8119944774² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8119944774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329334 + ... + 353129.

It is an arithmetic number, because the mean of its divisors is an integer number (734160648).

Almost surely, 2^8119944774 is an apocalyptic number.

8119944774 is an abundant number, since it is smaller than the sum of its proper divisors (9499910778).

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

8119944774 is a wasteful number, since it uses less digits than its factorization.

8119944774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683132 (or 683129 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 8119944774 is about 90110.7361749975. The cubic root of 8119944774 is about 2009.9458558223.

The spelling of 8119944774 in words is "eight billion, one hundred nineteen million, nine hundred forty-four thousand, seven hundred seventy-four".