86976487 has 8 divisors (see below), whose sum is σ = 95845904. Its totient is φ = 78418368.

The previous prime is 86976451. The next prime is 86976493. The reversal of 86976487 is 78467968.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86976487 is a prime.

It is a super-2 number, since 2×86976487² = 15129818581722338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86976497) by changing a digit.

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, 77238 + ... + 78355.

It is an arithmetic number, because the mean of its divisors is an integer number (11980738).

Almost surely, 2^86976487 is an apocalyptic number.

86976487 is a deficient number, since it is larger than the sum of its proper divisors (8869417).

86976487 is a wasteful number, since it uses less digits than its factorization.

86976487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155649.

The product of its digits is 4064256, while the sum is 55.

The square root of 86976487 is about 9326.1185388135. The cubic root of 86976487 is about 443.0648400965.

The spelling of 86976487 in words is "eighty-six million, nine hundred seventy-six thousand, four hundred eighty-seven".