28712124254 has 8 divisors (see below), whose sum is σ = 46983476088. Its totient is φ = 13050965560.

The previous prime is 28712124241. The next prime is 28712124263. The reversal of 28712124254 is 45242121782.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652548257 + ... + 652548300.

It is an arithmetic number, because the mean of its divisors is an integer number (5872934511).

Almost surely, 2^28712124254 is an apocalyptic number.

28712124254 is a deficient number, since it is larger than the sum of its proper divisors (18271351834).

28712124254 is a wasteful number, since it uses less digits than its factorization.

28712124254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305096570.

The product of its digits is 71680, while the sum is 38.

The spelling of 28712124254 in words is "twenty-eight billion, seven hundred twelve million, one hundred twenty-four thousand, two hundred fifty-four".