28122552851 has 8 divisors (see below), whose sum is σ = 28912956864. Its totient is φ = 27338348520.

The previous prime is 28122552827. The next prime is 28122552863. The reversal of 28122552851 is 15825522182.

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 28122552851 - 2¹⁰ = 28122551827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28122552799 and 28122552808.

It is not an unprimeable number, because it can be changed into a prime (28122552811) 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, 1540721 + ... + 1558866.

It is an arithmetic number, because the mean of its divisors is an integer number (3614119608).

Almost surely, 2^28122552851 is an apocalyptic number.

28122552851 is a deficient number, since it is larger than the sum of its proper divisors (790404013).

28122552851 is a wasteful number, since it uses less digits than its factorization.

28122552851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099841.

The product of its digits is 128000, while the sum is 41.

The spelling of 28122552851 in words is "twenty-eight billion, one hundred twenty-two million, five hundred fifty-two thousand, eight hundred fifty-one".