793211913987 has 16 divisors (see below), whose sum is σ = 1113310446720. Its totient is φ = 500962190400.

The previous prime is 793211913979. The next prime is 793211914031. The reversal of 793211913987 is 789319112397.

793211913987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 793211913987 - 2³ = 793211913979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 793211913987.

It is not an unprimeable number, because it can be changed into a prime (793211913947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2153287 + ... + 2494607.

It is an arithmetic number, because the mean of its divisors is an integer number (69581902920).

Almost surely, 2^793211913987 is an apocalyptic number.

793211913987 is a deficient number, since it is larger than the sum of its proper divisors (320098532733).

793211913987 is a wasteful number, since it uses less digits than its factorization.

793211913987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382114.

The product of its digits is 5143824, while the sum is 60.

The spelling of 793211913987 in words is "seven hundred ninety-three billion, two hundred eleven million, nine hundred thirteen thousand, nine hundred eighty-seven".