8761091 has 4 divisors (see below), whose sum is σ = 9142032. Its totient is φ = 8380152.

The previous prime is 8761079. The next prime is 8761099. The reversal of 8761091 is 1901678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1901678 = 2 ⋅950839.

It is a cyclic number.

It is not a de Polignac number, because 8761091 - 2¹⁴ = 8744707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8761099) 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, 190436 + ... + 190481.

It is an arithmetic number, because the mean of its divisors is an integer number (2285508).

Almost surely, 2^8761091 is an apocalyptic number.

8761091 is a deficient number, since it is larger than the sum of its proper divisors (380941).

8761091 is a wasteful number, since it uses less digits than its factorization.

8761091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380940.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 8761091 is about 2959.9140190215. The cubic root of 8761091 is about 206.1512933258.

The spelling of 8761091 in words is "eight million, seven hundred sixty-one thousand, ninety-one".