5127821632 has 28 divisors (see below), whose sum is σ = 10228268596. Its totient is φ = 2550620160.

The previous prime is 5127821609. The next prime is 5127821663. The reversal of 5127821632 is 2361287215.

It can be written as a sum of positive squares in 2 ways, for example, as 386672896 + 4741148736 = 19664^2 + 68856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5127821591 and 5127821600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195219 + ... + 219922.

It is an arithmetic number, because the mean of its divisors is an integer number (365295307).

Almost surely, 2^5127821632 is an apocalyptic number.

It is an amenable number.

5127821632 is a deficient number, since it is larger than the sum of its proper divisors (5100446964).

5127821632 is a wasteful number, since it uses less digits than its factorization.

5127821632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415346 (or 415336 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 5127821632 is about 71608.8097373501. The cubic root of 5127821632 is about 1724.4249719010.

The spelling of 5127821632 in words is "five billion, one hundred twenty-seven million, eight hundred twenty-one thousand, six hundred thirty-two".