97584443971406 has 64 divisors (see below), whose sum is σ = 170353615864320. Its totient is φ = 41057362944000.

The previous prime is 97584443971367. The next prime is 97584443971409. The reversal of 97584443971406 is 60417934448579.

It is a self number, because there is not a number n which added to its sum of digits gives 97584443971406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97584443971409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2012814686 + ... + 2012863166.

It is an arithmetic number, because the mean of its divisors is an integer number (2661775247880).

Almost surely, 2^{97584443971406} is an apocalyptic number.

97584443971406 is a deficient number, since it is larger than the sum of its proper divisors (72769171892914).

97584443971406 is a wasteful number, since it uses less digits than its factorization.

97584443971406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51801.

The product of its (nonzero) digits is 731566080, while the sum is 71.

The spelling of 97584443971406 in words is "ninety-seven trillion, five hundred eighty-four billion, four hundred forty-three million, nine hundred seventy-one thousand, four hundred six".