447657155774579 has 2 divisors, whose sum is σ = 447657155774580. Its totient is φ = 447657155774578.

The previous prime is 447657155774503. The next prime is 447657155774603. The reversal of 447657155774579 is 975477551756744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447657155774579 - 2²⁰ = 447657154726003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447657155774497 and 447657155774506.

It is not a weakly prime, because it can be changed into another prime (447657155773579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223828577887289 + 223828577887290.

It is an arithmetic number, because the mean of its divisors is an integer number (223828577887290).

Almost surely, 2^{447657155774579} is an apocalyptic number.

447657155774579 is a deficient number, since it is larger than the sum of its proper divisors (1).

447657155774579 is an equidigital number, since it uses as much as digits as its factorization.

447657155774579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36303120000, while the sum is 83.

The spelling of 447657155774579 in words is "four hundred forty-seven trillion, six hundred fifty-seven billion, one hundred fifty-five million, seven hundred seventy-four thousand, five hundred seventy-nine".