28826623069 has 8 divisors (see below), whose sum is σ = 29569147520. Its totient is φ = 28087377696.

The previous prime is 28826623061. The next prime is 28826623093. The reversal of 28826623069 is 96032662882.

It is a happy number.

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 28826623069 - 2³ = 28826623061 is a prime.

It is a super-2 number, since 2×28826623069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 801957 + ... + 837130.

It is an arithmetic number, because the mean of its divisors is an integer number (3696143440).

Almost surely, 2^28826623069 is an apocalyptic number.

It is an amenable number.

28826623069 is a deficient number, since it is larger than the sum of its proper divisors (742524451).

28826623069 is a wasteful number, since it uses less digits than its factorization.

28826623069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639539.

The product of its (nonzero) digits is 2985984, while the sum is 52.

The spelling of 28826623069 in words is "twenty-eight billion, eight hundred twenty-six million, six hundred twenty-three thousand, sixty-nine".