5078686667 has 4 divisors (see below), whose sum is σ = 5142973920. Its totient is φ = 5014399416.

The previous prime is 5078686651. The next prime is 5078686733. The reversal of 5078686667 is 7666868705.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5078686667 - 2⁴ = 5078686651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5078686867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32143508 + ... + 32143665.

It is an arithmetic number, because the mean of its divisors is an integer number (1285743480).

Almost surely, 2^5078686667 is an apocalyptic number.

5078686667 is a deficient number, since it is larger than the sum of its proper divisors (64287253).

5078686667 is an equidigital number, since it uses as much as digits as its factorization.

5078686667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64287252.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The square root of 5078686667 is about 71264.9048761029. The cubic root of 5078686667 is about 1718.8994522392.

The spelling of 5078686667 in words is "five billion, seventy-eight million, six hundred eighty-six thousand, six hundred sixty-seven".