3725821587716 has 24 divisors (see below), whose sum is σ = 6905294618040. Its totient is φ = 1752929994752.

The previous prime is 3725821587707. The next prime is 3725821587727. The reversal of 3725821587716 is 6177851285273.

It can be written as a sum of positive squares in 4 ways, for example, as 36348947716 + 3689472640000 = 190654^2 + 1920800^2 .

It is an unprimeable number.

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, 5913785 + ... + 6513408.

It is an arithmetic number, because the mean of its divisors is an integer number (287720609085).

Almost surely, 2^{3725821587716} is an apocalyptic number.

It is an amenable number.

3725821587716 is a deficient number, since it is larger than the sum of its proper divisors (3179473030324).

3725821587716 is a wasteful number, since it uses less digits than its factorization.

3725821587716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431623 (or 12431621 counting only the distinct ones).

The product of its digits is 39513600, while the sum is 62.

The spelling of 3725821587716 in words is "three trillion, seven hundred twenty-five billion, eight hundred twenty-one million, five hundred eighty-seven thousand, seven hundred sixteen".