97959956801 has 4 divisors (see below), whose sum is σ = 111954236352. Its totient is φ = 83965677252.

The previous prime is 97959956777. The next prime is 97959956821. The reversal of 97959956801 is 10865995979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97959956801 - 2³⁰ = 96886214977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97959956821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6997139765 + ... + 6997139778.

It is an arithmetic number, because the mean of its divisors is an integer number (27988559088).

Almost surely, 2^97959956801 is an apocalyptic number.

It is an amenable number.

97959956801 is a deficient number, since it is larger than the sum of its proper divisors (13994279551).

97959956801 is a wasteful number, since it uses less digits than its factorization.

97959956801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994279550.

The product of its (nonzero) digits is 55112400, while the sum is 68.

The spelling of 97959956801 in words is "ninety-seven billion, nine hundred fifty-nine million, nine hundred fifty-six thousand, eight hundred one".