28959526085 has 16 divisors (see below), whose sum is σ = 39719168256. Its totient is φ = 19856337408.

The previous prime is 28959526073. The next prime is 28959526103. The reversal of 28959526085 is 58062595982.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28959526085 - 2¹² = 28959521989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535352 + ... + 586958.

It is an arithmetic number, because the mean of its divisors is an integer number (2482448016).

Almost surely, 2^28959526085 is an apocalyptic number.

It is an amenable number.

28959526085 is a deficient number, since it is larger than the sum of its proper divisors (10759642171).

28959526085 is a wasteful number, since it uses less digits than its factorization.

28959526085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67652.

The product of its (nonzero) digits is 15552000, while the sum is 59.

The spelling of 28959526085 in words is "twenty-eight billion, nine hundred fifty-nine million, five hundred twenty-six thousand, eighty-five".