97886409293 has 2 divisors, whose sum is σ = 97886409294. Its totient is φ = 97886409292.

The previous prime is 97886409259. The next prime is 97886409311. The reversal of 97886409293 is 39290468879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72777471529 + 25108937764 = 269773^2 + 158458^2 .

It is a cyclic number.

It is not a de Polignac number, because 97886409293 - 2¹⁴ = 97886392909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97886409233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48943204646 + 48943204647.

It is an arithmetic number, because the mean of its divisors is an integer number (48943204647).

Almost surely, 2^97886409293 is an apocalyptic number.

It is an amenable number.

97886409293 is a deficient number, since it is larger than the sum of its proper divisors (1).

97886409293 is an equidigital number, since it uses as much as digits as its factorization.

97886409293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 65.

The spelling of 97886409293 in words is "ninety-seven billion, eight hundred eighty-six million, four hundred nine thousand, two hundred ninety-three".