28958005783 has 16 divisors (see below), whose sum is σ = 33276083200. Its totient is φ = 24685347456.

The previous prime is 28958005759. The next prime is 28958005831. The reversal of 28958005783 is 38750085982.

It is a de Polignac number, because none of the positive numbers 2^k-28958005783 is a prime.

It is a super-2 number, since 2×28958005783² (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 (28958005723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5147110 + ... + 5152732.

It is an arithmetic number, because the mean of its divisors is an integer number (2079755200).

Almost surely, 2^28958005783 is an apocalyptic number.

28958005783 is a deficient number, since it is larger than the sum of its proper divisors (4318077417).

28958005783 is a wasteful number, since it uses less digits than its factorization.

28958005783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9526.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 28958005783 in words is "twenty-eight billion, nine hundred fifty-eight million, five thousand, seven hundred eighty-three".