28380522683 has 4 divisors (see below), whose sum is σ = 28505547240. Its totient is φ = 28255498128.

The previous prime is 28380522673. The next prime is 28380522689. The reversal of 28380522683 is 38622508382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28380522683 - 2¹⁸ = 28380260539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28380522689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62511938 + ... + 62512391.

It is an arithmetic number, because the mean of its divisors is an integer number (7126386810).

Almost surely, 2^28380522683 is an apocalyptic number.

28380522683 is a deficient number, since it is larger than the sum of its proper divisors (125024557).

28380522683 is a wasteful number, since it uses less digits than its factorization.

28380522683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125024556.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 28380522683 in words is "twenty-eight billion, three hundred eighty million, five hundred twenty-two thousand, six hundred eighty-three".