8278061684 has 12 divisors (see below), whose sum is σ = 14794833984. Its totient is φ = 4050966264.

The previous prime is 8278061677. The next prime is 8278061711. The reversal of 8278061684 is 4861608728.

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, 22015934 + ... + 22016309.

It is an arithmetic number, because the mean of its divisors is an integer number (1232902832).

Almost surely, 2^8278061684 is an apocalyptic number.

It is an amenable number.

8278061684 is a deficient number, since it is larger than the sum of its proper divisors (6516772300).

8278061684 is a wasteful number, since it uses less digits than its factorization.

8278061684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44032294 (or 44032292 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 8278061684 is about 90983.8539742080. The cubic root of 8278061684 is about 2022.9084075793.

The spelling of 8278061684 in words is "eight billion, two hundred seventy-eight million, sixty-one thousand, six hundred eighty-four".