97240670869 has 2 divisors, whose sum is σ = 97240670870. Its totient is φ = 97240670868.

The previous prime is 97240670861. The next prime is 97240670873. The reversal of 97240670869 is 96807604279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88170394225 + 9070276644 = 296935^2 + 95238^2 .

It is a cyclic number.

It is not a de Polignac number, because 97240670869 - 2³ = 97240670861 is a prime.

It is a super-2 number, since 2×97240670869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97240670861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48620335434 + 48620335435.

It is an arithmetic number, because the mean of its divisors is an integer number (48620335435).

Almost surely, 2^97240670869 is an apocalyptic number.

It is an amenable number.

97240670869 is a deficient number, since it is larger than the sum of its proper divisors (1).

97240670869 is an equidigital number, since it uses as much as digits as its factorization.

97240670869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 97240670869 in words is "ninety-seven billion, two hundred forty million, six hundred seventy thousand, eight hundred sixty-nine".