86254987 has 8 divisors (see below), whose sum is σ = 106160096. Its totient is φ = 68245632.

The previous prime is 86254951. The next prime is 86254997. The reversal of 86254987 is 78945268.

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

It is a de Polignac number, because none of the positive numbers 2^k-86254987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86254987.

It is not an unprimeable number, because it can be changed into a prime (86254937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473838 + ... + 474019.

It is an arithmetic number, because the mean of its divisors is an integer number (13270012).

Almost surely, 2^86254987 is an apocalyptic number.

86254987 is a deficient number, since it is larger than the sum of its proper divisors (19905109).

86254987 is a wasteful number, since it uses less digits than its factorization.

86254987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947877.

The product of its digits is 967680, while the sum is 49.

The square root of 86254987 is about 9287.3562976770. The cubic root of 86254987 is about 441.8363114931.

The spelling of 86254987 in words is "eighty-six million, two hundred fifty-four thousand, nine hundred eighty-seven".