97244569987 has 2 divisors, whose sum is σ = 97244569988. Its totient is φ = 97244569986.

The previous prime is 97244569973. The next prime is 97244570011. The reversal of 97244569987 is 78996544279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97244569987 - 2²³ = 97236181379 is a prime.

It is not a weakly prime, because it can be changed into another prime (97244569937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48622284993 + 48622284994.

It is an arithmetic number, because the mean of its divisors is an integer number (48622284994).

Almost surely, 2^97244569987 is an apocalyptic number.

97244569987 is a deficient number, since it is larger than the sum of its proper divisors (1).

97244569987 is an equidigital number, since it uses as much as digits as its factorization.

97244569987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 274337280, while the sum is 70.

The spelling of 97244569987 in words is "ninety-seven billion, two hundred forty-four million, five hundred sixty-nine thousand, nine hundred eighty-seven".