86549761 has 4 divisors (see below), whose sum is σ = 86587312. Its totient is φ = 86512212.

The previous prime is 86549699. The next prime is 86549773. The reversal of 86549761 is 16794568.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86549761 - 2⁹ = 86549249 is a prime.

It is a super-2 number, since 2×86549761² = 14981722258314242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86549791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15075 + ... + 20008.

It is an arithmetic number, because the mean of its divisors is an integer number (21646828).

Almost surely, 2^86549761 is an apocalyptic number.

It is an amenable number.

86549761 is a deficient number, since it is larger than the sum of its proper divisors (37551).

86549761 is a wasteful number, since it uses less digits than its factorization.

86549761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37550.

The product of its digits is 362880, while the sum is 46.

The square root of 86549761 is about 9303.2124021759. The cubic root of 86549761 is about 442.3390602867.

The spelling of 86549761 in words is "eighty-six million, five hundred forty-nine thousand, seven hundred sixty-one".