64107678267 has 12 divisors (see below), whose sum is σ = 92602570320. Its totient is φ = 42737256528.

The previous prime is 64107678253. The next prime is 64107678281. The reversal of 64107678267 is 76287670146.

It is an interprime number because it is at equal distance from previous prime (64107678253) and next prime (64107678281).

It is not a de Polignac number, because 64107678267 - 2¹⁵ = 64107645499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64107678227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343813 + ... + 496409.

It is an arithmetic number, because the mean of its divisors is an integer number (7716880860).

Almost surely, 2^64107678267 is an apocalyptic number.

64107678267 is a deficient number, since it is larger than the sum of its proper divisors (28494892053).

64107678267 is a wasteful number, since it uses less digits than its factorization.

64107678267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199282 (or 199279 counting only the distinct ones).

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

The spelling of 64107678267 in words is "sixty-four billion, one hundred seven million, six hundred seventy-eight thousand, two hundred sixty-seven".