86626587 has 8 divisors (see below), whose sum is σ = 115629136. Its totient is φ = 57687552.

The previous prime is 86626571. The next prime is 86626597. The reversal of 86626587 is 78562668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86626587 - 2⁴ = 86626571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86626517) 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 7 ways as a sum of consecutive naturals, for example, 12598 + ... + 18219.

It is an arithmetic number, because the mean of its divisors is an integer number (14453642).

Almost surely, 2^86626587 is an apocalyptic number.

86626587 is a deficient number, since it is larger than the sum of its proper divisors (29002549).

86626587 is a wasteful number, since it uses less digits than its factorization.

86626587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31757.

The product of its digits is 967680, while the sum is 48.

The square root of 86626587 is about 9307.3404901723. The cubic root of 86626587 is about 442.4699025142.

The spelling of 86626587 in words is "eighty-six million, six hundred twenty-six thousand, five hundred eighty-seven".