2801457887 has 2 divisors, whose sum is σ = 2801457888. Its totient is φ = 2801457886.

The previous prime is 2801457871. The next prime is 2801457959. The reversal of 2801457887 is 7887541082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2801457887 - 2⁴ = 2801457871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2801457487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400728943 + 1400728944.

It is an arithmetic number, because the mean of its divisors is an integer number (1400728944).

Almost surely, 2^2801457887 is an apocalyptic number.

2801457887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801457887 is an equidigital number, since it uses as much as digits as its factorization.

2801457887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003520, while the sum is 50.

The square root of 2801457887 is about 52928.8001658832. The cubic root of 2801457887 is about 1409.7043269501.

The spelling of 2801457887 in words is "two billion, eight hundred one million, four hundred fifty-seven thousand, eight hundred eighty-seven".