78417227041 has 4 divisors (see below), whose sum is σ = 78417972612. Its totient is φ = 78416481472.

The previous prime is 78417227027. The next prime is 78417227047. The reversal of 78417227041 is 14072271487.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 49864676416 + 28552550625 = 223304^2 + 168975^2 .

It is a cyclic number.

It is not a de Polignac number, because 78417227041 - 2⁷ = 78417226913 is a prime.

It is a super-2 number, since 2×78417227041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78417227047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182716 + ... + 436141.

It is an arithmetic number, because the mean of its divisors is an integer number (19604493153).

Almost surely, 2^78417227041 is an apocalyptic number.

It is an amenable number.

78417227041 is a deficient number, since it is larger than the sum of its proper divisors (745571).

78417227041 is a wasteful number, since it uses less digits than its factorization.

78417227041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745570.

The product of its (nonzero) digits is 175616, while the sum is 43.

The spelling of 78417227041 in words is "seventy-eight billion, four hundred seventeen million, two hundred twenty-seven thousand, forty-one".