8452517221477 has 64 divisors (see below), whose sum is σ = 10525660784640. Its totient is φ = 6623473618944.

The previous prime is 8452517221469. The next prime is 8452517221487. The reversal of 8452517221477 is 7741227152548.

It is not a de Polignac number, because 8452517221477 - 2³ = 8452517221469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8452517221487) 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 63 ways as a sum of consecutive naturals, for example, 260759323 + ... + 260791735.

It is an arithmetic number, because the mean of its divisors is an integer number (164463449760).

Almost surely, 2^{8452517221477} is an apocalyptic number.

It is an amenable number.

8452517221477 is a deficient number, since it is larger than the sum of its proper divisors (2073143563163).

8452517221477 is a wasteful number, since it uses less digits than its factorization.

8452517221477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32902.

The product of its digits is 8780800, while the sum is 55.

The spelling of 8452517221477 in words is "eight trillion, four hundred fifty-two billion, five hundred seventeen million, two hundred twenty-one thousand, four hundred seventy-seven".