28826418701 has 8 divisors (see below), whose sum is σ = 29305471800. Its totient is φ = 28347575040.

The previous prime is 28826418697. The next prime is 28826418721. The reversal of 28826418701 is 10781462882.

It can be written as a sum of positive squares in 4 ways, for example, as 9380116201 + 19446302500 = 96851^2 + 139450^2 .

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 28826418701 - 2² = 28826418697 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 (28826418721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238505 + ... + 338433.

It is an arithmetic number, because the mean of its divisors is an integer number (3663183975).

Almost surely, 2^28826418701 is an apocalyptic number.

It is an amenable number.

28826418701 is a deficient number, since it is larger than the sum of its proper divisors (479053099).

28826418701 is an equidigital number, since it uses as much as digits as its factorization.

28826418701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104719.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 28826418701 in words is "twenty-eight billion, eight hundred twenty-six million, four hundred eighteen thousand, seven hundred one".