86782063 has 8 divisors (see below), whose sum is σ = 91440000. Its totient is φ = 82133208.

The previous prime is 86782049. The next prime is 86782099. The reversal of 86782063 is 36028768.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86782063 - 2⁹ = 86781551 is a prime.

It is a super-2 number, since 2×86782063² = 15062252917071938, 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 (86782043) 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, 27438 + ... + 30436.

It is an arithmetic number, because the mean of its divisors is an integer number (11430000).

Almost surely, 2^86782063 is an apocalyptic number.

86782063 is a deficient number, since it is larger than the sum of its proper divisors (4657937).

86782063 is a wasteful number, since it uses less digits than its factorization.

86782063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 86782063 is about 9315.6890781090. The cubic root of 86782063 is about 442.7344569174.

The spelling of 86782063 in words is "eighty-six million, seven hundred eighty-two thousand, sixty-three".