8611594461 has 20 divisors (see below), whose sum is σ = 12866942044. Its totient is φ = 5739854400.

The previous prime is 8611594451. The next prime is 8611594469. The reversal of 8611594461 is 1644951168.

8611594461 is a `hidden beast` number, since 8 + 6 + 11 + 594 + 46 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6634102500 + 1977491961 = 81450^2 + 44469^2 .

It is not a de Polignac number, because 8611594461 - 2⁵ = 8611594429 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 (8611594469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 546351 + ... + 561891.

Almost surely, 2^8611594461 is an apocalyptic number.

8611594461 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8611594461 is a deficient number, since it is larger than the sum of its proper divisors (4255347583).

8611594461 is a wasteful number, since it uses less digits than its factorization.

8611594461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22394 (or 22385 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 8611594461 is about 92798.6770433717. The cubic root of 8611594461 is about 2049.7199269173.

The spelling of 8611594461 in words is "eight billion, six hundred eleven million, five hundred ninety-four thousand, four hundred sixty-one".