8605905061 has 16 divisors (see below), whose sum is σ = 9685234944. Its totient is φ = 7594058304.

The previous prime is 8605905029. The next prime is 8605905067. The reversal of 8605905061 is 1605095068.

It is a cyclic number.

It is not a de Polignac number, because 8605905061 - 2⁵ = 8605905029 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 (8605905067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137506 + ... + 190051.

It is an arithmetic number, because the mean of its divisors is an integer number (605327184).

Almost surely, 2^8605905061 is an apocalyptic number.

It is an amenable number.

8605905061 is a deficient number, since it is larger than the sum of its proper divisors (1079329883).

8605905061 is a wasteful number, since it uses less digits than its factorization.

8605905061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327660.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 8605905061 is about 92768.0174467472. The cubic root of 8605905061 is about 2049.2684330733.

The spelling of 8605905061 in words is "eight billion, six hundred five million, nine hundred five thousand, sixty-one".