28212056383 has 8 divisors (see below), whose sum is σ = 32358750752. Its totient is φ = 24094462176.

The previous prime is 28212056351. The next prime is 28212056413. The reversal of 28212056383 is 38365021282.

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 28212056383 - 2⁵ = 28212056351 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 (28212056303) 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, 7272960 + ... + 7276837.

It is an arithmetic number, because the mean of its divisors is an integer number (4044843844).

Almost surely, 2^28212056383 is an apocalyptic number.

28212056383 is a deficient number, since it is larger than the sum of its proper divisors (4146694369).

28212056383 is a wasteful number, since it uses less digits than its factorization.

28212056383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550081.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 28212056383 in words is "twenty-eight billion, two hundred twelve million, fifty-six thousand, three hundred eighty-three".