97812038894156 has 6 divisors (see below), whose sum is σ = 171171068064780. Its totient is φ = 48906019447076.

The previous prime is 97812038894051. The next prime is 97812038894161. The reversal of 97812038894156 is 65149883021879.

It is a self number, because there is not a number n which added to its sum of digits gives 97812038894156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12226504861766 + ... + 12226504861773.

It is an arithmetic number, because the mean of its divisors is an integer number (28528511344130).

It is a 2-persistent number, because it is pandigital, and so is 2⋅97812038894156 = 195624077788312, but 3⋅97812038894156 = 293436116682468 is not.

Almost surely, 2^{97812038894156} is an apocalyptic number.

It is an amenable number.

97812038894156 is a deficient number, since it is larger than the sum of its proper divisors (73359029170624).

97812038894156 is a wasteful number, since it uses less digits than its factorization.

97812038894156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24453009723543 (or 24453009723541 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 71.

The spelling of 97812038894156 in words is "ninety-seven trillion, eight hundred twelve billion, thirty-eight million, eight hundred ninety-four thousand, one hundred fifty-six".