97021685470 has 16 divisors (see below), whose sum is σ = 174704076288. Its totient is φ = 38794220320.

The previous prime is 97021685407. The next prime is 97021685471. The reversal of 97021685470 is 7458612079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97021685471) 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 7 ways as a sum of consecutive naturals, for example, 1778521 + ... + 1832260.

It is an arithmetic number, because the mean of its divisors is an integer number (10919004768).

Almost surely, 2^97021685470 is an apocalyptic number.

97021685470 is a deficient number, since it is larger than the sum of its proper divisors (77682390818).

97021685470 is a wasteful number, since it uses less digits than its factorization.

97021685470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613475.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 97021685470 in words is "ninety-seven billion, twenty-one million, six hundred eighty-five thousand, four hundred seventy".