8681125028867 has 4 divisors (see below), whose sum is σ = 8681165860416. Its totient is φ = 8681084197320.

The previous prime is 8681125028861. The next prime is 8681125028887. The reversal of 8681125028867 is 7688205211868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8681125028867 - 2¹² = 8681125024771 is a prime.

It is a super-3 number, since 3×8681125028867³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8681125028861) 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, 20095184 + ... + 20522637.

It is an arithmetic number, because the mean of its divisors is an integer number (2170291465104).

Almost surely, 2^{8681125028867} is an apocalyptic number.

8681125028867 is a deficient number, since it is larger than the sum of its proper divisors (40831549).

8681125028867 is a wasteful number, since it uses less digits than its factorization.

8681125028867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40831548.

The product of its (nonzero) digits is 20643840, while the sum is 62.

The spelling of 8681125028867 in words is "eight trillion, six hundred eighty-one billion, one hundred twenty-five million, twenty-eight thousand, eight hundred sixty-seven".