2047172758488 has 144 divisors (see below), whose sum is σ = 6563078318160. Its totient is φ = 572635704960.

The previous prime is 2047172758471. The next prime is 2047172758583. The reversal of 2047172758488 is 8848572717402.

2047172758488 is a `hidden beast` number, since 2 + 0 + 47 + 1 + 7 + 2 + 7 + 584 + 8 + 8 = 666.

It is a super-2 number, since 2×2047172758488² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8924556 + ... + 9151067.

It is an arithmetic number, because the mean of its divisors is an integer number (45576932765).

Almost surely, 2^{2047172758488} is an apocalyptic number.

It is an amenable number.

2047172758488 is an abundant number, since it is smaller than the sum of its proper divisors (4515905559672).

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

2047172758488 is a wasteful number, since it uses less digits than its factorization.

2047172758488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18075670 (or 18075652 counting only the distinct ones).

The product of its (nonzero) digits is 56197120, while the sum is 63.

The spelling of 2047172758488 in words is "two trillion, forty-seven billion, one hundred seventy-two million, seven hundred fifty-eight thousand, four hundred eighty-eight".