28826623011 has 8 divisors (see below), whose sum is σ = 38449279744. Its totient is φ = 19210857480.

The previous prime is 28826622973. The next prime is 28826623039. The reversal of 28826623011 is 11032662882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28826623011 - 2¹⁰ = 28826621987 is a prime.

It is a super-2 number, since 2×28826623011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28826623061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713031 + ... + 1729776.

It is an arithmetic number, because the mean of its divisors is an integer number (4806159968).

Almost surely, 2^28826623011 is an apocalyptic number.

28826623011 is a deficient number, since it is larger than the sum of its proper divisors (9622656733).

28826623011 is a wasteful number, since it uses less digits than its factorization.

28826623011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445601.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 28826623011 in words is "twenty-eight billion, eight hundred twenty-six million, six hundred twenty-three thousand, eleven".