8653457961 has 32 divisors (see below), whose sum is σ = 13137062400. Its totient is φ = 5627765520.

The previous prime is 8653457959. The next prime is 8653457977. The reversal of 8653457961 is 1697543568.

8653457961 is a `hidden beast` number, since 8 + 6 + 5 + 3 + 4 + 579 + 61 = 666.

It is not a de Polignac number, because 8653457961 - 2¹ = 8653457959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8653457898 and 8653457907.

It is not an unprimeable number, because it can be changed into a prime (8653457921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187950 + ... + 229416.

It is an arithmetic number, because the mean of its divisors is an integer number (410533200).

Almost surely, 2^8653457961 is an apocalyptic number.

It is an amenable number.

8653457961 is a deficient number, since it is larger than the sum of its proper divisors (4483604439).

8653457961 is a wasteful number, since it uses less digits than its factorization.

8653457961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41666 (or 41660 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 8653457961 is about 93023.9644446526. The cubic root of 8653457961 is about 2053.0359902447.

The spelling of 8653457961 in words is "eight billion, six hundred fifty-three million, four hundred fifty-seven thousand, nine hundred sixty-one".