32820955783 has 32 divisors (see below), whose sum is σ = 42094476288. Its totient is φ = 24842764800.

The previous prime is 32820955781. The next prime is 32820955787. The reversal of 32820955783 is 38755902823.

It is not a de Polignac number, because 32820955783 - 2¹ = 32820955781 is a prime.

It is a super-2 number, since 2×32820955783² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32820955783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32820955781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1788591 + ... + 1806847.

It is an arithmetic number, because the mean of its divisors is an integer number (1315452384).

Almost surely, 2^32820955783 is an apocalyptic number.

32820955783 is a deficient number, since it is larger than the sum of its proper divisors (9273520505).

32820955783 is a wasteful number, since it uses less digits than its factorization.

32820955783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18943.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 32820955783 in words is "thirty-two billion, eight hundred twenty million, nine hundred fifty-five thousand, seven hundred eighty-three".