86571004 has 24 divisors (see below), whose sum is σ = 172752048. Its totient is φ = 37605120.

The previous prime is 86570983. The next prime is 86571019. The reversal of 86571004 is 40017568.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48082 + ... + 49849.

It is an arithmetic number, because the mean of its divisors is an integer number (7198002).

Almost surely, 2^86571004 is an apocalyptic number.

It is an amenable number.

86571004 is a deficient number, since it is larger than the sum of its proper divisors (86181044).

86571004 is a wasteful number, since it uses less digits than its factorization.

86571004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97965 (or 97963 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 86571004 is about 9304.3540345367. The cubic root of 86571004 is about 442.3752469454.

The spelling of 86571004 in words is "eighty-six million, five hundred seventy-one thousand, four".