8078393141 has 16 divisors (see below), whose sum is σ = 9972178944. Its totient is φ = 6372705024.

The previous prime is 8078393123. The next prime is 8078393143. The reversal of 8078393141 is 1413938708.

It is a de Polignac number, because none of the positive numbers 2^k-8078393141 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 8078393092 and 8078393101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078393143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101045 + ... + 162378.

It is an arithmetic number, because the mean of its divisors is an integer number (623261184).

Almost surely, 2^8078393141 is an apocalyptic number.

It is an amenable number.

8078393141 is a deficient number, since it is larger than the sum of its proper divisors (1893785803).

8078393141 is a wasteful number, since it uses less digits than its factorization.

8078393141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263780.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 8078393141 is about 89879.8817366823. The cubic root of 8078393141 is about 2006.5115386745.

The spelling of 8078393141 in words is "eight billion, seventy-eight million, three hundred ninety-three thousand, one hundred forty-one".