86766349 has 4 divisors (see below), whose sum is σ = 86844736. Its totient is φ = 86687964.

The previous prime is 86766343. The next prime is 86766377. The reversal of 86766349 is 94366768.

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 86766349 - 2¹⁹ = 86242061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86766343) 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, 37509 + ... + 39754.

It is an arithmetic number, because the mean of its divisors is an integer number (21711184).

Almost surely, 2^86766349 is an apocalyptic number.

It is an amenable number.

86766349 is a deficient number, since it is larger than the sum of its proper divisors (78387).

86766349 is a wasteful number, since it uses less digits than its factorization.

86766349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78386.

The product of its digits is 1306368, while the sum is 49.

The square root of 86766349 is about 9314.8456240563. The cubic root of 86766349 is about 442.7077326960.

The spelling of 86766349 in words is "eighty-six million, seven hundred sixty-six thousand, three hundred forty-nine".