5487106821 has 16 divisors (see below), whose sum is σ = 8367894144. Its totient is φ = 3133018944.

The previous prime is 5487106769. The next prime is 5487106841. The reversal of 5487106821 is 1286017845.

It is not a de Polignac number, because 5487106821 - 2⁹ = 5487106309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5487106841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75490 + ... + 129123.

It is an arithmetic number, because the mean of its divisors is an integer number (522993384).

Almost surely, 2^5487106821 is an apocalyptic number.

It is an amenable number.

5487106821 is a deficient number, since it is larger than the sum of its proper divisors (2880787323).

5487106821 is a wasteful number, since it uses less digits than its factorization.

5487106821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205900.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 5487106821 is about 74075.0080728986. The cubic root of 5487106821 is about 1763.7937729073.

The spelling of 5487106821 in words is "five billion, four hundred eighty-seven million, one hundred six thousand, eight hundred twenty-one".