15717787482 has 16 divisors (see below), whose sum is σ = 31438764000. Its totient is φ = 5238730992.

The previous prime is 15717787451. The next prime is 15717787483. The reversal of 15717787482 is 28478771751.

It is not an unprimeable number, because it can be changed into a prime (15717787483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66232 + ... + 189267.

It is an arithmetic number, because the mean of its divisors is an integer number (1964922750).

Almost surely, 2^15717787482 is an apocalyptic number.

15717787482 is an abundant number, since it is smaller than the sum of its proper divisors (15720976518).

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

15717787482 is a wasteful number, since it uses less digits than its factorization.

15717787482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265757.

The product of its digits is 6146560, while the sum is 57.

The spelling of 15717787482 in words is "fifteen billion, seven hundred seventeen million, seven hundred eighty-seven thousand, four hundred eighty-two".