8078299776 has 112 divisors (see below), whose sum is σ = 24129472410. Its totient is φ = 2692735488.

The previous prime is 8078299771. The next prime is 8078299781. The reversal of 8078299776 is 6779928708.

It is an interprime number because it is at equal distance from previous prime (8078299771) and next prime (8078299781).

It can be written as a sum of positive squares in only one way, i.e., 7881178176 + 197121600 = 88776^2 + 14040^2 .

It is not an unprimeable number, because it can be changed into a prime (8078299771) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 50026 + ... + 136598.

Almost surely, 2^8078299776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8078299776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12064736205).

8078299776 is an abundant number, since it is smaller than the sum of its proper divisors (16051172634).

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

8078299776 is an frugal number, since it uses more digits than its factorization.

8078299776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86605 (or 86578 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The square root of 8078299776 is about 89879.3623475378. The cubic root of 8078299776 is about 2006.5038086442.

The spelling of 8078299776 in words is "eight billion, seventy-eight million, two hundred ninety-nine thousand, seven hundred seventy-six".