97376473821 has 32 divisors (see below), whose sum is σ = 143018265600. Its totient is φ = 58441582080.

The previous prime is 97376473717. The next prime is 97376473921. The reversal of 97376473821 is 12837467379.

It is a happy number.

It is not a de Polignac number, because 97376473821 - 2⁹ = 97376473309 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97376473021) 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 31 ways as a sum of consecutive naturals, for example, 14576160 + ... + 14582838.

It is an arithmetic number, because the mean of its divisors is an integer number (4469320800).

Almost surely, 2^97376473821 is an apocalyptic number.

It is an amenable number.

97376473821 is a deficient number, since it is larger than the sum of its proper divisors (45641791779).

97376473821 is a wasteful number, since it uses less digits than its factorization.

97376473821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10929.

The product of its digits is 10668672, while the sum is 57.

The spelling of 97376473821 in words is "ninety-seven billion, three hundred seventy-six million, four hundred seventy-three thousand, eight hundred twenty-one".