97318284019520 has 56 divisors (see below), whose sum is σ = 231898655062824. Its totient is φ = 38900522428416.

The previous prime is 97318284019519. The next prime is 97318284019591. The reversal of 97318284019520 is 2591048281379.

It can be written as a sum of positive squares in 4 ways, for example, as 31465188859456 + 65853095160064 = 5609384^2 + 8114992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97318284019520.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 104187359 + ... + 105117278.

Almost surely, 2^{97318284019520} is an apocalyptic number.

It is an amenable number.

97318284019520 is an abundant number, since it is smaller than the sum of its proper divisors (134580371043304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97318284019520 is a wasteful number, since it uses less digits than its factorization.

97318284019520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209306107 (or 209306097 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 97318284019520 in words is "ninety-seven trillion, three hundred eighteen billion, two hundred eighty-four million, nineteen thousand, five hundred twenty".