8071720053 has 8 divisors (see below), whose sum is σ = 10762882368. Its totient is φ = 5380852224.

The previous prime is 8071720043. The next prime is 8071720079. The reversal of 8071720053 is 3500271708.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8071720053 - 2¹⁷ = 8071588981 is a prime.

It is a super-2 number, since 2×8071720053² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8071719996 and 8071720023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8071720043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200 + ... + 127062.

It is an arithmetic number, because the mean of its divisors is an integer number (1345360296).

Almost surely, 2^8071720053 is an apocalyptic number.

It is an amenable number.

8071720053 is a deficient number, since it is larger than the sum of its proper divisors (2691162315).

8071720053 is a wasteful number, since it uses less digits than its factorization.

8071720053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147243.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 8071720053 is about 89842.7518111506. The cubic root of 8071720053 is about 2005.9588992108.

The spelling of 8071720053 in words is "eight billion, seventy-one million, seven hundred twenty thousand, fifty-three".