7880378067 has 96 divisors (see below), whose sum is σ = 12715702272. Its totient is φ = 4682022912.

The previous prime is 7880378039. The next prime is 7880378071. The reversal of 7880378067 is 7608730887.

It is not a de Polignac number, because 7880378067 - 2¹⁵ = 7880345299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7880378167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62050158 + ... + 62050284.

It is an arithmetic number, because the mean of its divisors is an integer number (132455232).

Almost surely, 2^7880378067 is an apocalyptic number.

7880378067 is a deficient number, since it is larger than the sum of its proper divisors (4835324205).

7880378067 is a wasteful number, since it uses less digits than its factorization.

7880378067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 7880378067 is about 88771.4935494498. The cubic root of 7880378067 is about 1989.9814032420.

The spelling of 7880378067 in words is "seven billion, eight hundred eighty million, three hundred seventy-eight thousand, sixty-seven".