28058002591 has 2 divisors, whose sum is σ = 28058002592. Its totient is φ = 28058002590.

The previous prime is 28058002549. The next prime is 28058002603. The reversal of 28058002591 is 19520085082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28058002591 - 2⁹ = 28058002079 is a prime.

It is a super-3 number, since 3×28058002591³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28058002391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14029001295 + 14029001296.

It is an arithmetic number, because the mean of its divisors is an integer number (14029001296).

Almost surely, 2^28058002591 is an apocalyptic number.

28058002591 is a deficient number, since it is larger than the sum of its proper divisors (1).

28058002591 is an equidigital number, since it uses as much as digits as its factorization.

28058002591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 28058002591 in words is "twenty-eight billion, fifty-eight million, two thousand, five hundred ninety-one".