993870631760 has 40 divisors (see below), whose sum is σ = 2385289522176. Its totient is φ = 384724114560.

The previous prime is 993870631727. The next prime is 993870631769. The reversal of 993870631760 is 67136078399.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 993870631760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993870631769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200374664 + ... + 200379623.

Almost surely, 2^993870631760 is an apocalyptic number.

It is an amenable number.

993870631760 is an abundant number, since it is smaller than the sum of its proper divisors (1391418890416).

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

993870631760 is a wasteful number, since it uses less digits than its factorization.

993870631760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400754331 (or 400754325 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 59.

The spelling of 993870631760 in words is "nine hundred ninety-three billion, eight hundred seventy million, six hundred thirty-one thousand, seven hundred sixty".