383485853887 has 16 divisors (see below), whose sum is σ = 395417484000. Its totient is φ = 371783364480.

The previous prime is 383485853879. The next prime is 383485853893. The reversal of 383485853887 is 788358584383.

It is not a de Polignac number, because 383485853887 - 2³ = 383485853879 is a prime.

It is a super-2 number, since 2×383485853887² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383485853827) 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 15 ways as a sum of consecutive naturals, for example, 911937 + ... + 1264357.

It is an arithmetic number, because the mean of its divisors is an integer number (24713592750).

Almost surely, 2^383485853887 is an apocalyptic number.

383485853887 is a deficient number, since it is larger than the sum of its proper divisors (11931630113).

383485853887 is a wasteful number, since it uses less digits than its factorization.

383485853887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352746.

The product of its digits is 619315200, while the sum is 70.

The spelling of 383485853887 in words is "three hundred eighty-three billion, four hundred eighty-five million, eight hundred fifty-three thousand, eight hundred eighty-seven".