83964728634992 has 20 divisors (see below), whose sum is σ = 162713122277736. Its totient is φ = 41974245466560.

The previous prime is 83964728634937. The next prime is 83964728635033. The reversal of 83964728634992 is 29943682746938.

83964728634992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507342863 + ... + 507508334.

Almost surely, 2^{83964728634992} is an apocalyptic number.

It is an amenable number.

83964728634992 is a deficient number, since it is larger than the sum of its proper divisors (78748393642744).

83964728634992 is a wasteful number, since it uses less digits than its factorization.

83964728634992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014856376 (or 1014856370 counting only the distinct ones).

The product of its digits is 6772211712, while the sum is 80.

The spelling of 83964728634992 in words is "eighty-three trillion, nine hundred sixty-four billion, seven hundred twenty-eight million, six hundred thirty-four thousand, nine hundred ninety-two".