97373728287 has 32 divisors (see below), whose sum is σ = 161031509760. Its totient is φ = 57641945760.

The previous prime is 97373728259. The next prime is 97373728289. The reversal of 97373728287 is 78282737379.

It is not a de Polignac number, because 97373728287 - 2¹² = 97373724191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97373728289) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 3799528 + ... + 3825069.

It is an arithmetic number, because the mean of its divisors is an integer number (5032234680).

Almost surely, 2^97373728287 is an apocalyptic number.

97373728287 is a deficient number, since it is larger than the sum of its proper divisors (63657781473).

97373728287 is a wasteful number, since it uses less digits than its factorization.

97373728287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624660 (or 7624654 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 63.

The spelling of 97373728287 in words is "ninety-seven billion, three hundred seventy-three million, seven hundred twenty-eight thousand, two hundred eighty-seven".