97687488920023 has 2 divisors, whose sum is σ = 97687488920024. Its totient is φ = 97687488920022.

The previous prime is 97687488920017. The next prime is 97687488920053. The reversal of 97687488920023 is 32002988478679.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97687488920023 - 2⁴⁵ = 62503116831191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97687488920053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48843744460011 + 48843744460012.

It is an arithmetic number, because the mean of its divisors is an integer number (48843744460012).

Almost surely, 2^{97687488920023} is an apocalyptic number.

97687488920023 is a deficient number, since it is larger than the sum of its proper divisors (1).

97687488920023 is an equidigital number, since it uses as much as digits as its factorization.

97687488920023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 97687488920023 in words is "ninety-seven trillion, six hundred eighty-seven billion, four hundred eighty-eight million, nine hundred twenty thousand, twenty-three".