86782983 has 16 divisors (see below), whose sum is σ = 133414656. Its totient is φ = 49150080.

The previous prime is 86782967. The next prime is 86782991. The reversal of 86782983 is 38928768.

It is not a de Polignac number, because 86782983 - 2⁴ = 86782967 is a prime.

It is a super-2 number, since 2×86782983² = 15062572276756578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86782963) 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 15 ways as a sum of consecutive naturals, for example, 15913 + ... + 20658.

It is an arithmetic number, because the mean of its divisors is an integer number (8338416).

Almost surely, 2^86782983 is an apocalyptic number.

86782983 is a deficient number, since it is larger than the sum of its proper divisors (46631673).

86782983 is a wasteful number, since it uses less digits than its factorization.

86782983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36694.

The product of its digits is 1161216, while the sum is 51.

The square root of 86782983 is about 9315.7384570414. The cubic root of 86782983 is about 442.7360214276.

The spelling of 86782983 in words is "eighty-six million, seven hundred eighty-two thousand, nine hundred eighty-three".