86447822440 has 64 divisors (see below), whose sum is σ = 222344812800. Its totient is φ = 29632531968.

The previous prime is 86447822387. The next prime is 86447822443. The reversal of 86447822440 is 4422874468.

It is not an unprimeable number, because it can be changed into a prime (86447822443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291477 + ... + 1356763.

It is an arithmetic number, because the mean of its divisors is an integer number (3474137700).

Almost surely, 2^86447822440 is an apocalyptic number.

It is an amenable number.

86447822440 is an abundant number, since it is smaller than the sum of its proper divisors (135896990360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86447822440 is a wasteful number, since it uses less digits than its factorization.

86447822440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70034 (or 70030 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 49.

The spelling of 86447822440 in words is "eighty-six billion, four hundred forty-seven million, eight hundred twenty-two thousand, four hundred forty".