32020319977 has 2 divisors, whose sum is σ = 32020319978. Its totient is φ = 32020319976.

The previous prime is 32020319963. The next prime is 32020319987. The reversal of 32020319977 is 77991302023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17611678681 + 14408641296 = 132709^2 + 120036^2 .

It is an emirp because it is prime and its reverse (77991302023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32020319977 - 2¹⁵ = 32020287209 is a prime.

It is not a weakly prime, because it can be changed into another prime (32020319987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16010159988 + 16010159989.

It is an arithmetic number, because the mean of its divisors is an integer number (16010159989).

Almost surely, 2^32020319977 is an apocalyptic number.

It is an amenable number.

32020319977 is a deficient number, since it is larger than the sum of its proper divisors (1).

32020319977 is an equidigital number, since it uses as much as digits as its factorization.

32020319977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 32020319977 in words is "thirty-two billion, twenty million, three hundred nineteen thousand, nine hundred seventy-seven".