993071228055 has 48 divisors (see below), whose sum is σ = 1645903660032. Its totient is φ = 511066292800.

The previous prime is 993071228029. The next prime is 993071228059. The reversal of 993071228055 is 550822170399.

It is not a de Polignac number, because 993071228055 - 2⁹ = 993071227543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 993071227989 and 993071228007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993071228059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3414190 + ... + 3693620.

It is an arithmetic number, because the mean of its divisors is an integer number (34289659584).

Almost surely, 2^993071228055 is an apocalyptic number.

993071228055 is a deficient number, since it is larger than the sum of its proper divisors (652832431977).

993071228055 is a wasteful number, since it uses less digits than its factorization.

993071228055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279628 (or 279557 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 993071228055 in words is "nine hundred ninety-three billion, seventy-one million, two hundred twenty-eight thousand, fifty-five".