86763149 has 4 divisors (see below), whose sum is σ = 94650720. Its totient is φ = 78875580.

The previous prime is 86763143. The next prime is 86763151. The reversal of 86763149 is 94136768.

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 86763149 - 2¹² = 86759053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86763143) 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, 3943769 + ... + 3943790.

It is an arithmetic number, because the mean of its divisors is an integer number (23662680).

Almost surely, 2^86763149 is an apocalyptic number.

It is an amenable number.

86763149 is a deficient number, since it is larger than the sum of its proper divisors (7887571).

86763149 is a wasteful number, since it uses less digits than its factorization.

86763149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887570.

The product of its digits is 217728, while the sum is 44.

The square root of 86763149 is about 9314.6738536569. The cubic root of 86763149 is about 442.7022901783.

The spelling of 86763149 in words is "eighty-six million, seven hundred sixty-three thousand, one hundred forty-nine".