28316287051 has 16 divisors (see below), whose sum is σ = 31182205824. Its totient is φ = 25552185984.

The previous prime is 28316287037. The next prime is 28316287061. The reversal of 28316287051 is 15078261382.

It is not a de Polignac number, because 28316287051 - 2¹⁹ = 28315762763 is a prime.

It is a super-3 number, since 3×28316287051³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28316286989 and 28316287007.

It is not an unprimeable number, because it can be changed into a prime (28316287061) 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, 116670 + ... + 265036.

It is an arithmetic number, because the mean of its divisors is an integer number (1948887864).

Almost surely, 2^28316287051 is an apocalyptic number.

28316287051 is a deficient number, since it is larger than the sum of its proper divisors (2865918773).

28316287051 is a wasteful number, since it uses less digits than its factorization.

28316287051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148710.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 28316287051 in words is "twenty-eight billion, three hundred sixteen million, two hundred eighty-seven thousand, fifty-one".