28430936136312 has 32 divisors (see below), whose sum is σ = 71177590510800. Its totient is φ = 9463612022784.

The previous prime is 28430936136271. The next prime is 28430936136329. The reversal of 28430936136312 is 21363163903482.

It is a super-2 number, since 2×28430936136312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 835400713 + ... + 835434744.

Almost surely, 2^{28430936136312} is an apocalyptic number.

It is an amenable number.

28430936136312 is an abundant number, since it is smaller than the sum of its proper divisors (42746654374488).

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

28430936136312 is a wasteful number, since it uses less digits than its factorization.

28430936136312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670836175 (or 1670836171 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 28430936136312 in words is "twenty-eight trillion, four hundred thirty billion, nine hundred thirty-six million, one hundred thirty-six thousand, three hundred twelve".