28458460851 has 16 divisors (see below), whose sum is σ = 39945552000. Its totient is φ = 17972031168.

The previous prime is 28458460781. The next prime is 28458460883. The reversal of 28458460851 is 15806485482.

It is not a de Polignac number, because 28458460851 - 2⁹ = 28458460339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28458460794 and 28458460803.

It is not an unprimeable number, because it can be changed into a prime (28458460651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844575 + ... + 877623.

It is an arithmetic number, because the mean of its divisors is an integer number (2496597000).

Almost surely, 2^28458460851 is an apocalyptic number.

28458460851 is a deficient number, since it is larger than the sum of its proper divisors (11487091149).

28458460851 is a wasteful number, since it uses less digits than its factorization.

28458460851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48178.

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 28458460851 in words is "twenty-eight billion, four hundred fifty-eight million, four hundred sixty thousand, eight hundred fifty-one".