28077585285 has 8 divisors (see below), whose sum is σ = 44924136480. Its totient is φ = 14974712144.

The previous prime is 28077585253. The next prime is 28077585353. The reversal of 28077585285 is 58258577082.

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 28077585285 - 2⁵ = 28077585253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935919495 + ... + 935919524.

It is an arithmetic number, because the mean of its divisors is an integer number (5615517060).

Almost surely, 2^28077585285 is an apocalyptic number.

It is an amenable number.

28077585285 is a deficient number, since it is larger than the sum of its proper divisors (16846551195).

28077585285 is a wasteful number, since it uses less digits than its factorization.

28077585285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871839027.

The product of its (nonzero) digits is 12544000, while the sum is 57.

The spelling of 28077585285 in words is "twenty-eight billion, seventy-seven million, five hundred eighty-five thousand, two hundred eighty-five".