8681028029 has 4 divisors (see below), whose sum is σ = 8686597920. Its totient is φ = 8675458140.

The previous prime is 8681028011. The next prime is 8681028067. The reversal of 8681028029 is 9208201868.

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 8681028029 - 2¹² = 8681023933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681028079) 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, 2782607 + ... + 2785724.

It is an arithmetic number, because the mean of its divisors is an integer number (2171649480).

Almost surely, 2^8681028029 is an apocalyptic number.

It is an amenable number.

8681028029 is a deficient number, since it is larger than the sum of its proper divisors (5569891).

8681028029 is a wasteful number, since it uses less digits than its factorization.

8681028029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5569890.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 8681028029 is about 93172.0345865647. The cubic root of 8681028029 is about 2055.2140149631.

The spelling of 8681028029 in words is "eight billion, six hundred eighty-one million, twenty-eight thousand, twenty-nine".