36871685706436 has 27 divisors (see below), whose sum is σ = 75060390389229. Its totient is φ = 15802114583808.

The previous prime is 36871685706433. The next prime is 36871685706529. The reversal of 36871685706436 is 63460758617863.

The square root of 36871685706436 is 6072206.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4378949648836 + 32492736057600 = 2092594^2 + 5700240^2 .

It is not an unprimeable number, because it can be changed into a prime (36871685706433) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84794020 + ... + 85227748.

Almost surely, 2^{36871685706436} is an apocalyptic number.

36871685706436 is the 6072206-th square number.

It is an amenable number.

36871685706436 is an abundant number, since it is smaller than the sum of its proper divisors (38188704682793).

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

36871685706436 is an frugal number, since it uses more digits than its factorization.

36871685706436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867476 (or 433738 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 70.

The spelling of 36871685706436 in words is "thirty-six trillion, eight hundred seventy-one billion, six hundred eighty-five million, seven hundred six thousand, four hundred thirty-six".