4278851767 has 4 divisors (see below), whose sum is σ = 4281583936. Its totient is φ = 4276119600.

The previous prime is 4278851743. The next prime is 4278851779. The reversal of 4278851767 is 7671588724.

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 4278851767 - 2¹⁹ = 4278327479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278881767) 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, 1363734 + ... + 1366867.

It is an arithmetic number, because the mean of its divisors is an integer number (1070395984).

Almost surely, 2^4278851767 is an apocalyptic number.

4278851767 is a deficient number, since it is larger than the sum of its proper divisors (2732169).

4278851767 is a wasteful number, since it uses less digits than its factorization.

4278851767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732168.

The product of its digits is 5268480, while the sum is 55.

The square root of 4278851767 is about 65412.9327197612. The cubic root of 4278851767 is about 1623.4630696806.

The spelling of 4278851767 in words is "four billion, two hundred seventy-eight million, eight hundred fifty-one thousand, seven hundred sixty-seven".