28318151336 has 32 divisors (see below), whose sum is σ = 56776519080. Its totient is φ = 13194240000.

The previous prime is 28318151327. The next prime is 28318151341. The reversal of 28318151336 is 63315181382.

It can be written as a sum of positive squares in 4 ways, for example, as 25552022500 + 2766128836 = 159850^2 + 52594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28318151293 and 28318151302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017065 + ... + 1044536.

Almost surely, 2^28318151336 is an apocalyptic number.

It is an amenable number.

28318151336 is an abundant number, since it is smaller than the sum of its proper divisors (28458367744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28318151336 is a wasteful number, since it uses less digits than its factorization.

28318151336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061725 (or 2061721 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The spelling of 28318151336 in words is "twenty-eight billion, three hundred eighteen million, one hundred fifty-one thousand, three hundred thirty-six".