97869760997 has 2 divisors, whose sum is σ = 97869760998. Its totient is φ = 97869760996.

The previous prime is 97869760993. The next prime is 97869761051. The reversal of 97869760997 is 79906796879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54072061156 + 43797699841 = 232534^2 + 209279^2 .

It is a cyclic number.

It is not a de Polignac number, because 97869760997 - 2² = 97869760993 is a prime.

It is a super-3 number, since 3×97869760997³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97869760993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48934880498 + 48934880499.

It is an arithmetic number, because the mean of its divisors is an integer number (48934880499).

Almost surely, 2^97869760997 is an apocalyptic number.

It is an amenable number.

97869760997 is a deficient number, since it is larger than the sum of its proper divisors (1).

97869760997 is an equidigital number, since it uses as much as digits as its factorization.

97869760997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648121824, while the sum is 77.

The spelling of 97869760997 in words is "ninety-seven billion, eight hundred sixty-nine million, seven hundred sixty thousand, nine hundred ninety-seven".