3885240200689 has 8 divisors (see below), whose sum is σ = 4116955533768. Its totient is φ = 3653877288960.

The previous prime is 3885240200663. The next prime is 3885240200711. The reversal of 3885240200689 is 9860020425883.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3405556522225 + 479683678464 = 1845415^2 + 692592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3885240200689 - 2⁷ = 3885240200561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885240200389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88082632 + ... + 88126729.

It is an arithmetic number, because the mean of its divisors is an integer number (514619441721).

Almost surely, 2^{3885240200689} is an apocalyptic number.

It is an amenable number.

3885240200689 is a deficient number, since it is larger than the sum of its proper divisors (231715333079).

3885240200689 is a wasteful number, since it uses less digits than its factorization.

3885240200689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176210675.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 3885240200689 in words is "three trillion, eight hundred eighty-five billion, two hundred forty million, two hundred thousand, six hundred eighty-nine".