86867782 has 16 divisors (see below), whose sum is σ = 132772752. Its totient is φ = 42613920.

The previous prime is 86867779. The next prime is 86867813. The reversal of 86867782 is 28776868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71008 + ... + 72220.

It is an arithmetic number, because the mean of its divisors is an integer number (8298297).

Almost surely, 2^86867782 is an apocalyptic number.

86867782 is a deficient number, since it is larger than the sum of its proper divisors (45904970).

86867782 is a wasteful number, since it uses less digits than its factorization.

86867782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its digits is 1806336, while the sum is 52.

The square root of 86867782 is about 9320.2887294332. The cubic root of 86867782 is about 442.8801792982.

The spelling of 86867782 in words is "eighty-six million, eight hundred sixty-seven thousand, seven hundred eighty-two".