447667376676765 has 32 divisors (see below), whose sum is σ = 822105043958016. Its totient is φ = 203769626257920.

The previous prime is 447667376676749. The next prime is 447667376676797. The reversal of 447667376676765 is 567676673766744.

It is not a de Polignac number, because 447667376676765 - 2⁴ = 447667376676749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9149114646 + ... + 9149163575.

It is an arithmetic number, because the mean of its divisors is an integer number (25690782623688).

Almost surely, 2^{447667376676765} is an apocalyptic number.

It is an amenable number.

447667376676765 is a deficient number, since it is larger than the sum of its proper divisors (374437667281251).

447667376676765 is a wasteful number, since it uses less digits than its factorization.

447667376676765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18298278469.

The product of its digits is 188195374080, while the sum is 87.

The spelling of 447667376676765 in words is "four hundred forty-seven trillion, six hundred sixty-seven billion, three hundred seventy-six million, six hundred seventy-six thousand, seven hundred sixty-five".