2479768787 has 2 divisors, whose sum is σ = 2479768788. Its totient is φ = 2479768786.

The previous prime is 2479768769. The next prime is 2479768813. The reversal of 2479768787 is 7878679742.

2479768787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2479768787 - 2¹² = 2479764691 is a prime.

It is a super-2 number, since 2×2479768787² = 12298506473958902738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2479768747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239884393 + 1239884394.

It is an arithmetic number, because the mean of its divisors is an integer number (1239884394).

Almost surely, 2^2479768787 is an apocalyptic number.

2479768787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479768787 is an equidigital number, since it uses as much as digits as its factorization.

2479768787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66382848, while the sum is 65.

The square root of 2479768787 is about 49797.2769034613. The cubic root of 2479768787 is about 1353.5378238900.

The spelling of 2479768787 in words is "two billion, four hundred seventy-nine million, seven hundred sixty-eight thousand, seven hundred eighty-seven".