97211764132783 has 2 divisors, whose sum is σ = 97211764132784. Its totient is φ = 97211764132782.

The previous prime is 97211764132687. The next prime is 97211764132841. The reversal of 97211764132783 is 38723146711279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97211764132783 - 2²¹ = 97211762035631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97211864132783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48605882066391 + 48605882066392.

It is an arithmetic number, because the mean of its divisors is an integer number (48605882066392).

Almost surely, 2^{97211764132783} is an apocalyptic number.

97211764132783 is a deficient number, since it is larger than the sum of its proper divisors (1).

97211764132783 is an equidigital number, since it uses as much as digits as its factorization.

97211764132783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21337344, while the sum is 61.

The spelling of 97211764132783 in words is "ninety-seven trillion, two hundred eleven billion, seven hundred sixty-four million, one hundred thirty-two thousand, seven hundred eighty-three".