385553341887 has 64 divisors (see below), whose sum is σ = 613989482496. Its totient is φ = 210573924480.

The previous prime is 385553341879. The next prime is 385553341903. The reversal of 385553341887 is 788143355583.

It is not a de Polignac number, because 385553341887 - 2³ = 385553341879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385553341887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385553341487) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25673793 + ... + 25688805.

It is an arithmetic number, because the mean of its divisors is an integer number (9593585664).

Almost surely, 2^385553341887 is an apocalyptic number.

385553341887 is a deficient number, since it is larger than the sum of its proper divisors (228436140609).

385553341887 is a wasteful number, since it uses less digits than its factorization.

385553341887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its digits is 48384000, while the sum is 60.

The spelling of 385553341887 in words is "three hundred eighty-five billion, five hundred fifty-three million, three hundred forty-one thousand, eight hundred eighty-seven".