86447576 has 8 divisors (see below), whose sum is σ = 162089220. Its totient is φ = 43223784.

The previous prime is 86447531. The next prime is 86447597. The reversal of 86447576 is 67574468.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 86447576.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5402966 + ... + 5402981.

Almost surely, 2^86447576 is an apocalyptic number.

It is an amenable number.

86447576 is a deficient number, since it is larger than the sum of its proper divisors (75641644).

86447576 is a wasteful number, since it uses less digits than its factorization.

86447576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10805953 (or 10805949 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 86447576 is about 9297.7188600215. The cubic root of 86447576 is about 442.1649091523.

The spelling of 86447576 in words is "eighty-six million, four hundred forty-seven thousand, five hundred seventy-six".