86447822442 has 16 divisors (see below), whose sum is σ = 183065977152. Its totient is φ = 27120885440.

The previous prime is 86447822387. The next prime is 86447822443. The reversal of 86447822442 is 24422874468.

It is a Harshad number since it is a multiple of its sum of digits (51).

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 7 ways as a sum of consecutive naturals, for example, 423763734 + ... + 423763937.

It is an arithmetic number, because the mean of its divisors is an integer number (11441623572).

Almost surely, 2^86447822442 is an apocalyptic number.

86447822442 is an abundant number, since it is smaller than the sum of its proper divisors (96618154710).

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

86447822442 is a wasteful number, since it uses less digits than its factorization.

86447822442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847527693.

The product of its digits is 5505024, while the sum is 51.

The spelling of 86447822442 in words is "eighty-six billion, four hundred forty-seven million, eight hundred twenty-two thousand, four hundred forty-two".