86712585 has 16 divisors (see below), whose sum is σ = 138862080. Its totient is φ = 46206080.

The previous prime is 86712569. The next prime is 86712607. The reversal of 86712585 is 58521768.

It is not a de Polignac number, because 86712585 - 2⁴ = 86712569 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24136 + ... + 27494.

It is an arithmetic number, because the mean of its divisors is an integer number (8678880).

Almost surely, 2^86712585 is an apocalyptic number.

It is an amenable number.

86712585 is a deficient number, since it is larger than the sum of its proper divisors (52149495).

86712585 is a wasteful number, since it uses less digits than its factorization.

86712585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088.

The product of its digits is 134400, while the sum is 42.

The square root of 86712585 is about 9311.9592460448. The cubic root of 86712585 is about 442.6162738271.

The spelling of 86712585 in words is "eighty-six million, seven hundred twelve thousand, five hundred eighty-five".