8858098656861 has 4 divisors (see below), whose sum is σ = 11810798209152. Its totient is φ = 5905399104572.

The previous prime is 8858098656829. The next prime is 8858098656863. The reversal of 8858098656861 is 1686568908588.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8858098656861 - 2⁵ = 8858098656829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8858098656863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476349776141 + ... + 1476349776146.

It is an arithmetic number, because the mean of its divisors is an integer number (2952699552288).

Almost surely, 2^{8858098656861} is an apocalyptic number.

It is an amenable number.

8858098656861 is a deficient number, since it is larger than the sum of its proper divisors (2952699552291).

8858098656861 is a wasteful number, since it uses less digits than its factorization.

8858098656861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952699552290.

The product of its (nonzero) digits is 1592524800, while the sum is 78.

The spelling of 8858098656861 in words is "eight trillion, eight hundred fifty-eight billion, ninety-eight million, six hundred fifty-six thousand, eight hundred sixty-one".