8078004780 has 24 divisors (see below), whose sum is σ = 22618413552. Its totient is φ = 2154134592.

The previous prime is 8078004773. The next prime is 8078004791. The reversal of 8078004780 is 874008708.

It is a super-2 number, since 2×8078004780² (a number of 21 digits) contains 22 as substring.

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, 67316647 + ... + 67316766.

It is an arithmetic number, because the mean of its divisors is an integer number (942433898).

Almost surely, 2^8078004780 is an apocalyptic number.

It is an amenable number.

8078004780 is an abundant number, since it is smaller than the sum of its proper divisors (14540408772).

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

8078004780 is a wasteful number, since it uses less digits than its factorization.

8078004780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134633425 (or 134633423 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 8078004780 is about 89877.7212661736. The cubic root of 8078004780 is about 2006.4793844535.

The spelling of 8078004780 in words is "eight billion, seventy-eight million, four thousand, seven hundred eighty".