86447822441 has 4 divisors (see below), whose sum is σ = 87287121792. Its totient is φ = 85608523092.

The previous prime is 86447822387. The next prime is 86447822443. The reversal of 86447822441 is 14422874468.

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 86447822441 - 2²² = 86443628137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86447822441.

It is not an unprimeable number, because it can be changed into a prime (86447822443) 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, 419649521 + ... + 419649726.

It is an arithmetic number, because the mean of its divisors is an integer number (21821780448).

Almost surely, 2^86447822441 is an apocalyptic number.

It is an amenable number.

86447822441 is a deficient number, since it is larger than the sum of its proper divisors (839299351).

86447822441 is a wasteful number, since it uses less digits than its factorization.

86447822441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839299350.

The product of its digits is 2752512, while the sum is 50.

The spelling of 86447822441 in words is "eighty-six billion, four hundred forty-seven million, eight hundred twenty-two thousand, four hundred forty-one".