8078773194 has 64 divisors (see below), whose sum is σ = 18588528000. Its totient is φ = 2597736960.

The previous prime is 8078773189. The next prime is 8078773217. The reversal of 8078773194 is 4913778708.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8078773194.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2956809 + ... + 2959539.

It is an arithmetic number, because the mean of its divisors is an integer number (290445750).

Almost surely, 2^8078773194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8078773194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9294264000).

8078773194 is an abundant number, since it is smaller than the sum of its proper divisors (10509754806).

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

8078773194 is a wasteful number, since it uses less digits than its factorization.

8078773194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4660 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 8078773194 is about 89881.9959391201. The cubic root of 8078773194 is about 2006.5430040397.

The spelling of 8078773194 in words is "eight billion, seventy-eight million, seven hundred seventy-three thousand, one hundred ninety-four".