28613792985 has 8 divisors (see below), whose sum is σ = 45782068800. Its totient is φ = 15260689584.

The previous prime is 28613792983. The next prime is 28613792989. The reversal of 28613792985 is 58929731682.

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

It is not a de Polignac number, because 28613792985 - 2¹ = 28613792983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28613792983) 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, 953793085 + ... + 953793114.

It is an arithmetic number, because the mean of its divisors is an integer number (5722758600).

Almost surely, 2^28613792985 is an apocalyptic number.

It is an amenable number.

28613792985 is a deficient number, since it is larger than the sum of its proper divisors (17168275815).

28613792985 is a wasteful number, since it uses less digits than its factorization.

28613792985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907586207.

The product of its digits is 13063680, while the sum is 60.

The spelling of 28613792985 in words is "twenty-eight billion, six hundred thirteen million, seven hundred ninety-two thousand, nine hundred eighty-five".