97397818894 has 16 divisors (see below), whose sum is σ = 152459161632. Its totient is φ = 46578387328.

The previous prime is 97397818877. The next prime is 97397818909. The reversal of 97397818894 is 49881879379.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 697482 + ... + 825394.

It is an arithmetic number, because the mean of its divisors is an integer number (9528697602).

Almost surely, 2^97397818894 is an apocalyptic number.

97397818894 is a deficient number, since it is larger than the sum of its proper divisors (55061342738).

97397818894 is a wasteful number, since it uses less digits than its factorization.

97397818894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144491.

The product of its digits is 219469824, while the sum is 73.

The spelling of 97397818894 in words is "ninety-seven billion, three hundred ninety-seven million, eight hundred eighteen thousand, eight hundred ninety-four".