86292666 has 12 divisors (see below), whose sum is σ = 186967482. Its totient is φ = 28764216.

The previous prime is 86292649. The next prime is 86292673. The reversal of 86292666 is 66629268.

It can be written as a sum of positive squares in only one way, i.e., 65853225 + 20439441 = 8115^2 + 4521^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2397001 + ... + 2397036.

Almost surely, 2^86292666 is an apocalyptic number.

86292666 is an abundant number, since it is smaller than the sum of its proper divisors (100674816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86292666 is a wasteful number, since it uses less digits than its factorization.

86292666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794045 (or 4794042 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 86292666 is about 9289.3845867205. The cubic root of 86292666 is about 441.9006383123.

It can be divided in two parts, 862 and 92666, that added together give a triangular number (93528 = T₄₃₂).

The spelling of 86292666 in words is "eighty-six million, two hundred ninety-two thousand, six hundred sixty-six".