388888465385 has 8 divisors (see below), whose sum is σ = 533332752576. Its totient is φ = 266666376240.

The previous prime is 388888465379. The next prime is 388888465387. The reversal of 388888465385 is 583564888883.

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

It is not a de Polignac number, because 388888465385 - 2⁶ = 388888465321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388888465387) 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, 5555549471 + ... + 5555549540.

It is an arithmetic number, because the mean of its divisors is an integer number (66666594072).

Almost surely, 2^388888465385 is an apocalyptic number.

388888465385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

388888465385 is a deficient number, since it is larger than the sum of its proper divisors (144444287191).

388888465385 is a wasteful number, since it uses less digits than its factorization.

388888465385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111099023.

The product of its digits is 1415577600, while the sum is 74.

The spelling of 388888465385 in words is "three hundred eighty-eight billion, eight hundred eighty-eight million, four hundred sixty-five thousand, three hundred eighty-five".