68670278307 has 8 divisors (see below), whose sum is σ = 101733745680. Its totient is φ = 45780185520.

The previous prime is 68670278269. The next prime is 68670278381. The reversal of 68670278307 is 70387207686.

68670278307 is a `hidden beast` number, since 6 + 8 + 67 + 0 + 278 + 307 = 666.

It is not a de Polignac number, because 68670278307 - 2⁷ = 68670278179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68670273307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271671794 + ... + 1271671847.

It is an arithmetic number, because the mean of its divisors is an integer number (12716718210).

Almost surely, 2^68670278307 is an apocalyptic number.

68670278307 is a deficient number, since it is larger than the sum of its proper divisors (33063467373).

68670278307 is a wasteful number, since it uses less digits than its factorization.

68670278307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543343650 (or 2543343644 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 68670278307 in words is "sixty-eight billion, six hundred seventy million, two hundred seventy-eight thousand, three hundred seven".