32972389777 has 2 divisors, whose sum is σ = 32972389778. Its totient is φ = 32972389776.

The previous prime is 32972389759. The next prime is 32972389781. The reversal of 32972389777 is 77798327923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32824742976 + 147646801 = 181176^2 + 12151^2 .

It is a cyclic number.

It is not a de Polignac number, because 32972389777 - 2¹¹ = 32972387729 is a prime.

It is not a weakly prime, because it can be changed into another prime (32972389577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16486194888 + 16486194889.

It is an arithmetic number, because the mean of its divisors is an integer number (16486194889).

Almost surely, 2^32972389777 is an apocalyptic number.

It is an amenable number.

32972389777 is a deficient number, since it is larger than the sum of its proper divisors (1).

32972389777 is an equidigital number, since it uses as much as digits as its factorization.

32972389777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56010528, while the sum is 64.

The spelling of 32972389777 in words is "thirty-two billion, nine hundred seventy-two million, three hundred eighty-nine thousand, seven hundred seventy-seven".