3685200388867 has 4 divisors (see below), whose sum is σ = 3685272191176. Its totient is φ = 3685128586560.

The previous prime is 3685200388861. The next prime is 3685200388897. The reversal of 3685200388867 is 7688830025863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3685200388867 - 2⁷ = 3685200388739 is a prime.

It is a super-2 number, since 2×3685200388867² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3685200388799 and 3685200388808.

It is not an unprimeable number, because it can be changed into a prime (3685200388861) 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 3 ways as a sum of consecutive naturals, for example, 35824113 + ... + 35926834.

It is an arithmetic number, because the mean of its divisors is an integer number (921318047794).

Almost surely, 2^{3685200388867} is an apocalyptic number.

3685200388867 is a deficient number, since it is larger than the sum of its proper divisors (71802309).

3685200388867 is an equidigital number, since it uses as much as digits as its factorization.

3685200388867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71802308.

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 3685200388867 in words is "three trillion, six hundred eighty-five billion, two hundred million, three hundred eighty-eight thousand, eight hundred sixty-seven".