4278881767 has 2 divisors, whose sum is σ = 4278881768. Its totient is φ = 4278881766.

The previous prime is 4278881753. The next prime is 4278881771. The reversal of 4278881767 is 7671888724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4278881767 - 2⁷ = 4278881639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278881777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139440883 + 2139440884.

It is an arithmetic number, because the mean of its divisors is an integer number (2139440884).

Almost surely, 2^4278881767 is an apocalyptic number.

4278881767 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278881767 is an equidigital number, since it uses as much as digits as its factorization.

4278881767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8429568, while the sum is 58.

The square root of 4278881767 is about 65413.1620318113. The cubic root of 4278881767 is about 1623.4668638276.

The spelling of 4278881767 in words is "four billion, two hundred seventy-eight million, eight hundred eighty-one thousand, seven hundred sixty-seven".