97816942801 has 16 divisors (see below), whose sum is σ = 98853955200. Its totient is φ = 96785890560.

The previous prime is 97816942799. The next prime is 97816942837. The reversal of 97816942801 is 10824961879.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 97816942801 - 2¹ = 97816942799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97816942501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55045225 + ... + 55047001.

It is an arithmetic number, because the mean of its divisors is an integer number (6178372200).

Almost surely, 2^97816942801 is an apocalyptic number.

It is an amenable number.

97816942801 is a deficient number, since it is larger than the sum of its proper divisors (1037012399).

97816942801 is a wasteful number, since it uses less digits than its factorization.

97816942801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 97816942801 in words is "ninety-seven billion, eight hundred sixteen million, nine hundred forty-two thousand, eight hundred one".