86782675 has 18 divisors (see below), whose sum is σ = 125181348. Its totient is φ = 59507280.

The previous prime is 86782651. The next prime is 86782679. The reversal of 86782675 is 57628768.

It is a de Polignac number, because none of the positive numbers 2^k-86782675 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86782679) 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 17 ways as a sum of consecutive naturals, for example, 34197 + ... + 36646.

Almost surely, 2^86782675 is an apocalyptic number.

86782675 is a deficient number, since it is larger than the sum of its proper divisors (38398673).

86782675 is a wasteful number, since it uses less digits than its factorization.

86782675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70867 (or 70855 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 86782675 is about 9315.7219258628. The cubic root of 86782675 is about 442.7354976581.

The spelling of 86782675 in words is "eighty-six million, seven hundred eighty-two thousand, six hundred seventy-five".