2279436487 has 2 divisors, whose sum is σ = 2279436488. Its totient is φ = 2279436486.

The previous prime is 2279436463. The next prime is 2279436539. The reversal of 2279436487 is 7846349722.

It is an a-pointer prime, because the next prime (2279436539) can be obtained adding 2279436487 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2279436487 - 2⁷ = 2279436359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2279436427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139718243 + 1139718244.

It is an arithmetic number, because the mean of its divisors is an integer number (1139718244).

Almost surely, 2^2279436487 is an apocalyptic number.

2279436487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2279436487 is an equidigital number, since it uses as much as digits as its factorization.

2279436487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4064256, while the sum is 52.

The square root of 2279436487 is about 47743.4444400485. Note that the first 5 decimals coincide. The cubic root of 2279436487 is about 1316.0604316182.

The spelling of 2279436487 in words is "two billion, two hundred seventy-nine million, four hundred thirty-six thousand, four hundred eighty-seven".