7978285004 has 12 divisors (see below), whose sum is σ = 14443447200. Its totient is φ = 3851585808.

The previous prime is 7978285001. The next prime is 7978285019. The reversal of 7978285004 is 4005828797.

It is not an unprimeable number, because it can be changed into a prime (7978285001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34389044 + ... + 34389275.

It is an arithmetic number, because the mean of its divisors is an integer number (1203620600).

Almost surely, 2^7978285004 is an apocalyptic number.

It is an amenable number.

7978285004 is a deficient number, since it is larger than the sum of its proper divisors (6465162196).

7978285004 is a wasteful number, since it uses less digits than its factorization.

7978285004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68778352 (or 68778350 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 7978285004 is about 89321.2460952040. The cubic root of 7978285004 is about 1998.1887772312.

The spelling of 7978285004 in words is "seven billion, nine hundred seventy-eight million, two hundred eighty-five thousand, four".