7978084234 has 8 divisors (see below), whose sum is σ = 11967604740. Its totient is φ = 3988882656.

The previous prime is 7978084201. The next prime is 7978084243. The reversal of 7978084234 is 4324808797.

It can be written as a sum of positive squares in 2 ways, for example, as 7535108025 + 442976209 = 86805^2 + 21047^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059 + ... + 126334.

Almost surely, 2^7978084234 is an apocalyptic number.

7978084234 is a deficient number, since it is larger than the sum of its proper divisors (3989520506).

7978084234 is a wasteful number, since it uses less digits than its factorization.

7978084234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159464.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 7978084234 is about 89320.1222233826. The cubic root of 7978084234 is about 1998.1720159128.

The spelling of 7978084234 in words is "seven billion, nine hundred seventy-eight million, eighty-four thousand, two hundred thirty-four".