2478346267 has 2 divisors, whose sum is σ = 2478346268. Its totient is φ = 2478346266.

The previous prime is 2478346261. The next prime is 2478346279. The reversal of 2478346267 is 7626438742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2478346267 - 2²⁷ = 2344128539 is a prime.

It is a super-2 number, since 2×2478346267² = 12284400438305670578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478346267.

It is not a weakly prime, because it can be changed into another prime (2478346261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239173133 + 1239173134.

It is an arithmetic number, because the mean of its divisors is an integer number (1239173134).

Almost surely, 2^2478346267 is an apocalyptic number.

2478346267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478346267 is an equidigital number, since it uses as much as digits as its factorization.

2478346267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 49.

The square root of 2478346267 is about 49782.9917441690. The cubic root of 2478346267 is about 1353.2789552772.

The spelling of 2478346267 in words is "two billion, four hundred seventy-eight million, three hundred forty-six thousand, two hundred sixty-seven".