32378387865 has 32 divisors (see below), whose sum is σ = 52888844160. Its totient is φ = 16909615104.

The previous prime is 32378387849. The next prime is 32378387891. The reversal of 32378387865 is 56878387323.

It is not a de Polignac number, because 32378387865 - 2⁴ = 32378387849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32378387799 and 32378387808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156267 + ... + 298623.

It is an arithmetic number, because the mean of its divisors is an integer number (1652776380).

Almost surely, 2^32378387865 is an apocalyptic number.

It is an amenable number.

32378387865 is a deficient number, since it is larger than the sum of its proper divisors (20510456295).

32378387865 is a wasteful number, since it uses less digits than its factorization.

32378387865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142681.

The product of its digits is 40642560, while the sum is 60.

The spelling of 32378387865 in words is "thirty-two billion, three hundred seventy-eight million, three hundred eighty-seven thousand, eight hundred sixty-five".