9437885385 has 16 divisors (see below), whose sum is σ = 15106211520. Its totient is φ = 5031673920.

The previous prime is 9437885363. The next prime is 9437885467. The reversal of 9437885385 is 5835887349.

It is not a de Polignac number, because 9437885385 - 2⁸ = 9437885129 is a prime.

It is a super-3 number, since 3×9437885385³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74230 + ... + 156159.

It is an arithmetic number, because the mean of its divisors is an integer number (944138220).

Almost surely, 2^9437885385 is an apocalyptic number.

It is an amenable number.

9437885385 is a deficient number, since it is larger than the sum of its proper divisors (5668326135).

9437885385 is a wasteful number, since it uses less digits than its factorization.

9437885385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233128.

The product of its digits is 29030400, while the sum is 60.

The square root of 9437885385 is about 97148.7796372142. The cubic root of 9437885385 is about 2113.2857908386.

The spelling of 9437885385 in words is "nine billion, four hundred thirty-seven million, eight hundred eighty-five thousand, three hundred eighty-five".