2420897879 has 2 divisors, whose sum is σ = 2420897880. Its totient is φ = 2420897878.

The previous prime is 2420897839. The next prime is 2420897891. The reversal of 2420897879 is 9787980242.

2420897879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420897879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420897839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210448939 + 1210448940.

It is an arithmetic number, because the mean of its divisors is an integer number (1210448940).

Almost surely, 2^2420897879 is an apocalyptic number.

2420897879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420897879 is an equidigital number, since it uses as much as digits as its factorization.

2420897879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 2420897879 is about 49202.6206517498. The cubic root of 2420897879 is about 1342.7407110335.

The spelling of 2420897879 in words is "two billion, four hundred twenty million, eight hundred ninety-seven thousand, eight hundred seventy-nine".