93768021728 has 48 divisors (see below), whose sum is σ = 195633207504. Its totient is φ = 44088145920.

The previous prime is 93768021727. The next prime is 93768021749. The reversal of 93768021728 is 82712086739.

It is a self number, because there is not a number n which added to its sum of digits gives 93768021728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93768021727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563426 + ... + 710622.

It is an arithmetic number, because the mean of its divisors is an integer number (4075691823).

Almost surely, 2^93768021728 is an apocalyptic number.

It is an amenable number.

93768021728 is an abundant number, since it is smaller than the sum of its proper divisors (101865185776).

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

93768021728 is a wasteful number, since it uses less digits than its factorization.

93768021728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148395 (or 148387 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 93768021728 in words is "ninety-three billion, seven hundred sixty-eight million, twenty-one thousand, seven hundred twenty-eight".