8053657217 has 4 divisors (see below), whose sum is σ = 8059727616. Its totient is φ = 8047586820.

The previous prime is 8053657211. The next prime is 8053657219. The reversal of 8053657217 is 7127563508.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8053657217 - 2²² = 8049462913 is a prime.

It is a super-2 number, since 2×8053657217² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8053657211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033209 + ... + 3035862.

It is an arithmetic number, because the mean of its divisors is an integer number (2014931904).

Almost surely, 2^8053657217 is an apocalyptic number.

It is an amenable number.

8053657217 is a deficient number, since it is larger than the sum of its proper divisors (6070399).

8053657217 is a wasteful number, since it uses less digits than its factorization.

8053657217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070398.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 8053657217 is about 89742.1707838628. The cubic root of 8053657217 is about 2004.4614749702.

The spelling of 8053657217 in words is "eight billion, fifty-three million, six hundred fifty-seven thousand, two hundred seventeen".