7904661368 has 16 divisors (see below), whose sum is σ = 14829362160. Its totient is φ = 3950164800.

The previous prime is 7904661353. The next prime is 7904661397. The reversal of 7904661368 is 8631664097.

It is a congruent number.

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, 255173 + ... + 284468.

It is an arithmetic number, because the mean of its divisors is an integer number (926835135).

Almost surely, 2^7904661368 is an apocalyptic number.

It is an amenable number.

7904661368 is a deficient number, since it is larger than the sum of its proper divisors (6924700792).

7904661368 is a wasteful number, since it uses less digits than its factorization.

7904661368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541478 (or 541474 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 7904661368 is about 88908.1625499031. The cubic root of 7904661368 is about 1992.0233427639.

The spelling of 7904661368 in words is "seven billion, nine hundred four million, six hundred sixty-one thousand, three hundred sixty-eight".