8705454621 has 8 divisors (see below), whose sum is σ = 12111936960. Its totient is φ = 5551304352.

The previous prime is 8705454613. The next prime is 8705454629. The reversal of 8705454621 is 1264545078.

It is a happy number.

8705454621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8705454613) and next prime (8705454629).

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

It is not a de Polignac number, because 8705454621 - 2³ = 8705454613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8705454629) 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, 63082936 + ... + 63083073.

It is an arithmetic number, because the mean of its divisors is an integer number (1513992120).

Almost surely, 2^8705454621 is an apocalyptic number.

It is an amenable number.

8705454621 is a deficient number, since it is larger than the sum of its proper divisors (3406482339).

8705454621 is a wasteful number, since it uses less digits than its factorization.

8705454621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126166035.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 8705454621 is about 93303.0257869486. The cubic root of 8705454621 is about 2057.1398568360.

Adding to 8705454621 its reverse (1264545078), we get a palindrome (9969999699).

The spelling of 8705454621 in words is "eight billion, seven hundred five million, four hundred fifty-four thousand, six hundred twenty-one".