32280378765 has 16 divisors (see below), whose sum is σ = 52228929600. Its totient is φ = 17022760832.

The previous prime is 32280378701. The next prime is 32280378817. The reversal of 32280378765 is 56787308223.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32280378765 - 2⁶ = 32280378701 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 12088695 + ... + 12091364.

It is an arithmetic number, because the mean of its divisors is an integer number (3264308100).

Almost surely, 2^32280378765 is an apocalyptic number.

It is an amenable number.

32280378765 is a deficient number, since it is larger than the sum of its proper divisors (19948550835).

32280378765 is a wasteful number, since it uses less digits than its factorization.

32280378765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180156.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 32280378765 in words is "thirty-two billion, two hundred eighty million, three hundred seventy-eight thousand, seven hundred sixty-five".