2277266779 has 2 divisors, whose sum is σ = 2277266780. Its totient is φ = 2277266778.

The previous prime is 2277266759. The next prime is 2277266791. The reversal of 2277266779 is 9776627722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2277266779 - 2²⁵ = 2243712347 is a prime.

It is a super-3 number, since 3×2277266779³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2277266729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138633389 + 1138633390.

It is an arithmetic number, because the mean of its divisors is an integer number (1138633390).

Almost surely, 2^2277266779 is an apocalyptic number.

2277266779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2277266779 is an equidigital number, since it uses as much as digits as its factorization.

2277266779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6223392, while the sum is 55.

The square root of 2277266779 is about 47720.7164552252. The cubic root of 2277266779 is about 1315.6427299413.

It can be divided in two parts, 2277266 and 779, that added together give a triangular number (2278045 = T₂₁₃₄).

The spelling of 2277266779 in words is "two billion, two hundred seventy-seven million, two hundred sixty-six thousand, seven hundred seventy-nine".