97135841579 has 4 divisors (see below), whose sum is σ = 111012390384. Its totient is φ = 83259292776.

The previous prime is 97135841549. The next prime is 97135841599. The reversal of 97135841579 is 97514853179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97135841579 - 2¹² = 97135837483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97135841519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6938274392 + ... + 6938274405.

It is an arithmetic number, because the mean of its divisors is an integer number (27753097596).

Almost surely, 2^97135841579 is an apocalyptic number.

97135841579 is a deficient number, since it is larger than the sum of its proper divisors (13876548805).

97135841579 is a wasteful number, since it uses less digits than its factorization.

97135841579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13876548804.

The product of its digits is 9525600, while the sum is 59.

The spelling of 97135841579 in words is "ninety-seven billion, one hundred thirty-five million, eight hundred forty-one thousand, five hundred seventy-nine".