9865374385 has 8 divisors (see below), whose sum is σ = 12005188416. Its totient is φ = 7781140080.

The previous prime is 9865374361. The next prime is 9865374437. The reversal of 9865374385 is 5834735689.

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

It is not a de Polignac number, because 9865374385 - 2¹⁵ = 9865341617 is a prime.

It is a super-2 number, since 2×9865374385² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13894539 + ... + 13895248.

It is an arithmetic number, because the mean of its divisors is an integer number (1500648552).

Almost surely, 2^9865374385 is an apocalyptic number.

It is an amenable number.

9865374385 is a deficient number, since it is larger than the sum of its proper divisors (2139814031).

9865374385 is a wasteful number, since it uses less digits than its factorization.

9865374385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27789863.

The product of its digits is 21772800, while the sum is 58.

The square root of 9865374385 is about 99324.5910386748. The cubic root of 9865374385 is about 2144.7229071014.

The spelling of 9865374385 in words is "nine billion, eight hundred sixty-five million, three hundred seventy-four thousand, three hundred eighty-five".