8655310086421 has 8 divisors (see below), whose sum is σ = 8894438877240. Its totient is φ = 8416455058368.

The previous prime is 8655310086373. The next prime is 8655310086433. The reversal of 8655310086421 is 1246800135568.

It can be written as a sum of positive squares in 4 ways, for example, as 124009622500 + 8531300463921 = 352150^2 + 2920839^2 .

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 8655310086421 - 2²⁵ = 8655276531989 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 (8655310086721) 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, 68376586 + ... + 68503051.

It is an arithmetic number, because the mean of its divisors is an integer number (1111804859655).

Almost surely, 2^{8655310086421} is an apocalyptic number.

It is an amenable number.

8655310086421 is a deficient number, since it is larger than the sum of its proper divisors (239128790819).

8655310086421 is a wasteful number, since it uses less digits than its factorization.

8655310086421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136881383.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 8655310086421 in words is "eight trillion, six hundred fifty-five billion, three hundred ten million, eighty-six thousand, four hundred twenty-one".