3687711032520 has 48 divisors (see below), whose sum is σ = 11985060856860. Its totient is φ = 983389608576.

The previous prime is 3687711032519. The next prime is 3687711032543. The reversal of 3687711032520 is 252301177863.

3687711032520 is a `hidden beast` number, since 3 + 6 + 8 + 7 + 7 + 110 + 3 + 2 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3430400353956 + 257310678564 = 1852134^2 + 507258^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5121820519 + ... + 5121821238.

Almost surely, 2^{3687711032520} is an apocalyptic number.

3687711032520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3687711032520 is an abundant number, since it is smaller than the sum of its proper divisors (8297349824340).

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

3687711032520 is a wasteful number, since it uses less digits than its factorization.

3687711032520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243641774 (or 10243641767 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 3687711032520 in words is "three trillion, six hundred eighty-seven billion, seven hundred eleven million, thirty-two thousand, five hundred twenty".