86774066 has 16 divisors (see below), whose sum is σ = 131934264. Its totient is φ = 42799104.

The previous prime is 86774063. The next prime is 86774087. The reversal of 86774066 is 66047768.

It can be written as a sum of positive squares in 4 ways, for example, as 77070841 + 9703225 = 8779^2 + 3115^2 .

It is not an unprimeable number, because it can be changed into a prime (86774063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83486 + ... + 84518.

Almost surely, 2^86774066 is an apocalyptic number.

86774066 is a deficient number, since it is larger than the sum of its proper divisors (45160198).

86774066 is a wasteful number, since it uses less digits than its factorization.

86774066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 86774066 is about 9315.2598460805. The cubic root of 86774066 is about 442.7208571170.

The spelling of 86774066 in words is "eighty-six million, seven hundred seventy-four thousand, sixty-six".