28909130031096 has 64 divisors (see below), whose sum is σ = 83643052569600. Its totient is φ = 8155197618048.

The previous prime is 28909130031091. The next prime is 28909130031137. The reversal of 28909130031096 is 69013003190982.

It is a happy number.

It is a super-2 number, since 2×28909130031096² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28909130031091) 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, 1089088975 + ... + 1089115518.

It is an arithmetic number, because the mean of its divisors is an integer number (1306922696400).

Almost surely, 2^{28909130031096} is an apocalyptic number.

It is an amenable number.

28909130031096 is an abundant number, since it is smaller than the sum of its proper divisors (54733922538504).

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

28909130031096 is a wasteful number, since it uses less digits than its factorization.

28909130031096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178204588 (or 2178204584 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 28909130031096 in words is "twenty-eight trillion, nine hundred nine billion, one hundred thirty million, thirty-one thousand, ninety-six".