993928377064 has 32 divisors (see below), whose sum is σ = 2134654355520. Its totient is φ = 425007737856.

The previous prime is 993928377053. The next prime is 993928377073. The reversal of 993928377064 is 460773829399.

It is a super-2 number, since 2×993928377064² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20007609 + ... + 20057224.

It is an arithmetic number, because the mean of its divisors is an integer number (66707948610).

Almost surely, 2^993928377064 is an apocalyptic number.

It is an amenable number.

993928377064 is an abundant number, since it is smaller than the sum of its proper divisors (1140725978456).

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

993928377064 is a wasteful number, since it uses less digits than its factorization.

993928377064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40065289 (or 40065285 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 993928377064 in words is "nine hundred ninety-three billion, nine hundred twenty-eight million, three hundred seventy-seven thousand, sixty-four".