2557760467 has 2 divisors, whose sum is σ = 2557760468. Its totient is φ = 2557760466.

The previous prime is 2557760399. The next prime is 2557760489. The reversal of 2557760467 is 7640677552.

2557760467 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 not a de Polignac number, because 2557760467 - 2⁷ = 2557760339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2557760467.

It is not a weakly prime, because it can be changed into another prime (2557760497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278880233 + 1278880234.

It is an arithmetic number, because the mean of its divisors is an integer number (1278880234).

Almost surely, 2^2557760467 is an apocalyptic number.

2557760467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557760467 is an equidigital number, since it uses as much as digits as its factorization.

2557760467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The square root of 2557760467 is about 50574.3063916847. The cubic root of 2557760467 is about 1367.5817297556.

The spelling of 2557760467 in words is "two billion, five hundred fifty-seven million, seven hundred sixty thousand, four hundred sixty-seven".