28115680262 has 8 divisors (see below), whose sum is σ = 42442142016. Its totient is φ = 13968299592.

The previous prime is 28115680253. The next prime is 28115680283. The reversal of 28115680262 is 26208651182.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44769878 + ... + 44770505.

It is an arithmetic number, because the mean of its divisors is an integer number (5305267752).

Almost surely, 2^28115680262 is an apocalyptic number.

28115680262 is a deficient number, since it is larger than the sum of its proper divisors (14326461754).

28115680262 is a wasteful number, since it uses less digits than its factorization.

28115680262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89540542.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 28115680262 in words is "twenty-eight billion, one hundred fifteen million, six hundred eighty thousand, two hundred sixty-two".