2887421664 has 48 divisors (see below), whose sum is σ = 7586514432. Its totient is φ = 961580928.

The previous prime is 2887421653. The next prime is 2887421671. The reversal of 2887421664 is 4661247882.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94417 + ... + 121199.

It is an arithmetic number, because the mean of its divisors is an integer number (158052384).

Almost surely, 2^2887421664 is an apocalyptic number.

2887421664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2887421664 is an abundant number, since it is smaller than the sum of its proper divisors (4699092768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2887421664 is a wasteful number, since it uses less digits than its factorization.

2887421664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27919 (or 27911 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 2887421664 is about 53734.7342414569. The cubic root of 2887421664 is about 1423.9784062290.

The spelling of 2887421664 in words is "two billion, eight hundred eighty-seven million, four hundred twenty-one thousand, six hundred sixty-four".