8307076778 has 32 divisors (see below), whose sum is σ = 16730340480. Its totient is φ = 2987559360.

The previous prime is 8307076759. The next prime is 8307076783. The reversal of 8307076778 is 8776707038.

It is a super-2 number, since 2×8307076778² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072693 + ... + 2076696.

It is an arithmetic number, because the mean of its divisors is an integer number (522823140).

Almost surely, 2^8307076778 is an apocalyptic number.

8307076778 is an abundant number, since it is smaller than the sum of its proper divisors (8423263702).

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

8307076778 is a wasteful number, since it uses less digits than its factorization.

8307076778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149422.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 8307076778 is about 91143.1663812488. The cubic root of 8307076778 is about 2025.2691226327.

The spelling of 8307076778 in words is "eight billion, three hundred seven million, seventy-six thousand, seven hundred seventy-eight".