15882727420 has 24 divisors (see below), whose sum is σ = 38118546144. Its totient is φ = 5445506496.

The previous prime is 15882727417. The next prime is 15882727463. The reversal of 15882727420 is 2472728851.

It is a happy number.

It is a super-2 number, since 2×15882727420² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56723887 + ... + 56724166.

It is an arithmetic number, because the mean of its divisors is an integer number (1588272756).

Almost surely, 2^15882727420 is an apocalyptic number.

15882727420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15882727420 is an abundant number, since it is smaller than the sum of its proper divisors (22235818724).

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

15882727420 is a wasteful number, since it uses less digits than its factorization.

15882727420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113448069 (or 113448067 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 15882727420 in words is "fifteen billion, eight hundred eighty-two million, seven hundred twenty-seven thousand, four hundred twenty".