28615116486 has 48 divisors (see below), whose sum is σ = 62930235312. Its totient is φ = 8667901440.

The previous prime is 28615116479. The next prime is 28615116487. The reversal of 28615116486 is 68461151682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28615116487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2399290 + ... + 2411186.

It is an arithmetic number, because the mean of its divisors is an integer number (1311046569).

Almost surely, 2^28615116486 is an apocalyptic number.

28615116486 is an abundant number, since it is smaller than the sum of its proper divisors (34315118826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28615116486 is a wasteful number, since it uses less digits than its factorization.

28615116486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237 (or 15226 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 28615116486 in words is "twenty-eight billion, six hundred fifteen million, one hundred sixteen thousand, four hundred eighty-six".