2087484721 has 27 divisors (see below), whose sum is σ = 2492047467. Its totient is φ = 1743492240.

The previous prime is 2087484697. The next prime is 2087484731. The reversal of 2087484721 is 1274847802.

The square root of 2087484721 is 45689.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 67881121 + 2019603600 = 8239^2 + 44940^2 .

It is not a de Polignac number, because 2087484721 - 2¹⁵ = 2087451953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2087484731) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19509150 + ... + 19509256.

Almost surely, 2^2087484721 is an apocalyptic number.

2087484721 is the 45689-th square number.

2087484721 is the 22845-th centered octagonal number.

It is an amenable number.

2087484721 is a deficient number, since it is larger than the sum of its proper divisors (404562746).

2087484721 is an frugal number, since it uses more digits than its factorization.

2087484721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 43.

The cubic root of 2087484721 is about 1278.0301571380.

Multiplying 2087484721 by its product of nonzero digits (200704), we get a square (418966533443584 = 20468672²).

The spelling of 2087484721 in words is "two billion, eighty-seven million, four hundred eighty-four thousand, seven hundred twenty-one".