86040761 has 4 divisors (see below), whose sum is σ = 86229492. Its totient is φ = 85852032.

The previous prime is 86040743. The next prime is 86040763. The reversal of 86040761 is 16704068.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80658361 + 5382400 = 8981^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 86040761 - 2⁶ = 86040697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86040763) 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 3 ways as a sum of consecutive naturals, for example, 93680 + ... + 94593.

It is an arithmetic number, because the mean of its divisors is an integer number (21557373).

Almost surely, 2^86040761 is an apocalyptic number.

It is an amenable number.

86040761 is a deficient number, since it is larger than the sum of its proper divisors (188731).

86040761 is a wasteful number, since it uses less digits than its factorization.

86040761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188730.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 86040761 is about 9275.8159209851. The cubic root of 86040761 is about 441.4702213755.

The spelling of 86040761 in words is "eighty-six million, forty thousand, seven hundred sixty-one".