2488821987 has 8 divisors (see below), whose sum is σ = 3318683920. Its totient is φ = 1659087360.

The previous prime is 2488821977. The next prime is 2488822003. The reversal of 2488821987 is 7891288842.

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

It is not a de Polignac number, because 2488821987 - 2¹⁹ = 2488297699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2488821977) 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, 32187 + ... + 77547.

It is an arithmetic number, because the mean of its divisors is an integer number (414835490).

Almost surely, 2^2488821987 is an apocalyptic number.

2488821987 is a deficient number, since it is larger than the sum of its proper divisors (829861933).

2488821987 is a wasteful number, since it uses less digits than its factorization.

2488821987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63653.

The product of its digits is 4128768, while the sum is 57.

The square root of 2488821987 is about 49888.0946419083. The cubic root of 2488821987 is about 1355.1829996617.

The spelling of 2488821987 in words is "two billion, four hundred eighty-eight million, eight hundred twenty-one thousand, nine hundred eighty-seven".