28585015287 has 8 divisors (see below), whose sum is σ = 38365760640. Its totient is φ = 18930473400.

The previous prime is 28585015267. The next prime is 28585015387. The reversal of 28585015287 is 78251058582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28585015287 - 2⁸ = 28585015031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28585015267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31550337 + ... + 31551242.

It is an arithmetic number, because the mean of its divisors is an integer number (4795720080).

Almost surely, 2^28585015287 is an apocalyptic number.

28585015287 is a deficient number, since it is larger than the sum of its proper divisors (9780745353).

28585015287 is a wasteful number, since it uses less digits than its factorization.

28585015287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63101733.

The product of its (nonzero) digits is 1792000, while the sum is 51.

The spelling of 28585015287 in words is "twenty-eight billion, five hundred eighty-five million, fifteen thousand, two hundred eighty-seven".