8278064104 has 8 divisors (see below), whose sum is σ = 15521370210. Its totient is φ = 4139032048.

The previous prime is 8278064101. The next prime is 8278064107. The reversal of 8278064104 is 4014608728.

It is an interprime number because it is at equal distance from previous prime (8278064101) and next prime (8278064107).

It can be written as a sum of positive squares in only one way, i.e., 7477060900 + 801003204 = 86470^2 + 28302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8278064101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517378999 + ... + 517379014.

Almost surely, 2^8278064104 is an apocalyptic number.

It is an amenable number.

8278064104 is a deficient number, since it is larger than the sum of its proper divisors (7243306106).

8278064104 is a wasteful number, since it uses less digits than its factorization.

8278064104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034758019 (or 1034758015 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 8278064104 is about 90983.8672732699. The cubic root of 8278064104 is about 2022.9086047043.

The spelling of 8278064104 in words is "eight billion, two hundred seventy-eight million, sixty-four thousand, one hundred four".