8078911390 has 16 divisors (see below), whose sum is σ = 15864044400. Its totient is φ = 2937785920.

The previous prime is 8078911361. The next prime is 8078911427. The reversal of 8078911390 is 931198708.

It is a self number, because there is not a number n which added to its sum of digits gives 8078911390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36722215 + ... + 36722434.

It is an arithmetic number, because the mean of its divisors is an integer number (991502775).

Almost surely, 2^8078911390 is an apocalyptic number.

8078911390 is a deficient number, since it is larger than the sum of its proper divisors (7785133010).

8078911390 is a wasteful number, since it uses less digits than its factorization.

8078911390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73444667.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 8078911390 is about 89882.7646993571. The cubic root of 8078911390 is about 2006.5544453246.

The spelling of 8078911390 in words is "eight billion, seventy-eight million, nine hundred eleven thousand, three hundred ninety".