28826418670 has 32 divisors (see below), whose sum is σ = 62421120000. Its totient is φ = 9363167136.

The previous prime is 28826418659. The next prime is 28826418671. The reversal of 28826418670 is 7681462882.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28826418671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10835670 + ... + 10838329.

It is an arithmetic number, because the mean of its divisors is an integer number (1950660000).

Almost surely, 2^28826418670 is an apocalyptic number.

28826418670 is an abundant number, since it is smaller than the sum of its proper divisors (33594701330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28826418670 is a wasteful number, since it uses less digits than its factorization.

28826418670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21674032.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 28826418670 in words is "twenty-eight billion, eight hundred twenty-six million, four hundred eighteen thousand, six hundred seventy".