7904778334 has 16 divisors (see below), whose sum is σ = 11990716416. Its totient is φ = 3908121400.

The previous prime is 7904778307. The next prime is 7904778341. The reversal of 7904778334 is 4338774097.

It is a congruent number.

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, 1839 + ... + 125749.

It is an arithmetic number, because the mean of its divisors is an integer number (749419776).

Almost surely, 2^7904778334 is an apocalyptic number.

7904778334 is a deficient number, since it is larger than the sum of its proper divisors (4085938082).

7904778334 is a wasteful number, since it uses less digits than its factorization.

7904778334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124271.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The square root of 7904778334 is about 88908.8203385918. The cubic root of 7904778334 is about 1992.0331680996.

The spelling of 7904778334 in words is "seven billion, nine hundred four million, seven hundred seventy-eight thousand, three hundred thirty-four".