8781061 has 8 divisors (see below), whose sum is σ = 9370944. Its totient is φ = 8199360.

The previous prime is 8781053. The next prime is 8781077. The reversal of 8781061 is 1601878.

8781061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8781061 - 2³ = 8781053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8785061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (1171368).

Almost surely, 2^8781061 is an apocalyptic number.

It is an amenable number.

8781061 is a deficient number, since it is larger than the sum of its proper divisors (589883).

8781061 is a wasteful number, since it uses less digits than its factorization.

8781061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 8781061 is about 2963.2855076756. The cubic root of 8781061 is about 206.3078079772.

The spelling of 8781061 in words is "eight million, seven hundred eighty-one thousand, sixty-one".