2479787 has 2 divisors, whose sum is σ = 2479788. Its totient is φ = 2479786.

The previous prime is 2479781. The next prime is 2479801. The reversal of 2479787 is 7879742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2479787 - 2¹⁸ = 2217643 is a prime.

It is a super-2 number, since 2×2479787² = 12298687130738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2479781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239893 + 1239894.

It is an arithmetic number, because the mean of its divisors is an integer number (1239894).

2^2479787 is an apocalyptic number.

2479787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479787 is an equidigital number, since it uses as much as digits as its factorization.

2479787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 44.

The square root of 2479787 is about 1574.7339457826. The cubic root of 2479787 is about 135.3541137630.

The spelling of 2479787 in words is "two million, four hundred seventy-nine thousand, seven hundred eighty-seven".