84320079937 has 2 divisors, whose sum is σ = 84320079938. Its totient is φ = 84320079936.

The previous prime is 84320079929. The next prime is 84320079953. The reversal of 84320079937 is 73997002348.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42836166961 + 41483912976 = 206969^2 + 203676^2 .

It is a cyclic number.

It is not a de Polignac number, because 84320079937 - 2³ = 84320079929 is a prime.

It is not a weakly prime, because it can be changed into another prime (84320049937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42160039968 + 42160039969.

It is an arithmetic number, because the mean of its divisors is an integer number (42160039969).

Almost surely, 2^84320079937 is an apocalyptic number.

It is an amenable number.

84320079937 is a deficient number, since it is larger than the sum of its proper divisors (1).

84320079937 is an equidigital number, since it uses as much as digits as its factorization.

84320079937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 84320079937 in words is "eighty-four billion, three hundred twenty million, seventy-nine thousand, nine hundred thirty-seven".