244947887 has 4 divisors (see below), whose sum is σ = 245484336. Its totient is φ = 244411440.

The previous prime is 244947877. The next prime is 244947893. The reversal of 244947887 is 788749442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244947887 - 2¹² = 244943791 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 (244947877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267539 + ... + 268452.

It is an arithmetic number, because the mean of its divisors is an integer number (61371084).

Almost surely, 2^244947887 is an apocalyptic number.

244947887 is a deficient number, since it is larger than the sum of its proper divisors (536449).

244947887 is an equidigital number, since it uses as much as digits as its factorization.

244947887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536448.

The product of its digits is 3612672, while the sum is 53.

The square root of 244947887 is about 15650.8110652451. The cubic root of 244947887 is about 625.6881057122.

The spelling of 244947887 in words is "two hundred forty-four million, nine hundred forty-seven thousand, eight hundred eighty-seven".