3888213112257 has 8 divisors (see below), whose sum is σ = 5191941883776. Its totient is φ = 2588313207792.

The previous prime is 3888213112247. The next prime is 3888213112271. The reversal of 3888213112257 is 7522113128883.

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

It is not a de Polignac number, because 3888213112257 - 2¹⁵ = 3888213079489 is a prime.

It is a super-3 number, since 3×3888213112257³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3888213112247) 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, 957214393 + ... + 957218454.

It is an arithmetic number, because the mean of its divisors is an integer number (648992735472).

Almost surely, 2^{3888213112257} is an apocalyptic number.

It is an amenable number.

3888213112257 is a deficient number, since it is larger than the sum of its proper divisors (1303728771519).

3888213112257 is a wasteful number, since it uses less digits than its factorization.

3888213112257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914433527.

The product of its digits is 1290240, while the sum is 51.

The spelling of 3888213112257 in words is "three trillion, eight hundred eighty-eight billion, two hundred thirteen million, one hundred twelve thousand, two hundred fifty-seven".