2722457887 has 8 divisors (see below), whose sum is σ = 2736729072. Its totient is φ = 2708222400.

The previous prime is 2722457879. The next prime is 2722457909. The reversal of 2722457887 is 7887542272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2722457887 - 2³ = 2722457879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722451887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151437 + ... + 168457.

It is an arithmetic number, because the mean of its divisors is an integer number (342091134).

Almost surely, 2^2722457887 is an apocalyptic number.

2722457887 is a deficient number, since it is larger than the sum of its proper divisors (14271185).

2722457887 is a wasteful number, since it uses less digits than its factorization.

2722457887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17849.

The product of its digits is 3512320, while the sum is 52.

The square root of 2722457887 is about 52177.1778366749. The cubic root of 2722457887 is about 1396.3267460588.

The spelling of 2722457887 in words is "two billion, seven hundred twenty-two million, four hundred fifty-seven thousand, eight hundred eighty-seven".