28357714851 has 8 divisors (see below), whose sum is σ = 37816814160. Its totient is φ = 18901879392.

The previous prime is 28357714849. The next prime is 28357714859. The reversal of 28357714851 is 15841775382.

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

It is not a de Polignac number, because 28357714851 - 2¹ = 28357714849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28357714794 and 28357714803.

It is not an unprimeable number, because it can be changed into a prime (28357714859) 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, 795616 + ... + 830493.

It is an arithmetic number, because the mean of its divisors is an integer number (4727101770).

Almost surely, 2^28357714851 is an apocalyptic number.

28357714851 is a deficient number, since it is larger than the sum of its proper divisors (9459099309).

28357714851 is a wasteful number, since it uses less digits than its factorization.

28357714851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631925.

The product of its digits is 1881600, while the sum is 51.

The spelling of 28357714851 in words is "twenty-eight billion, three hundred fifty-seven million, seven hundred fourteen thousand, eight hundred fifty-one".