28292122709052 has 12 divisors (see below), whose sum is σ = 66014952987816. Its totient is φ = 9430707569680.

The previous prime is 28292122709041. The next prime is 28292122709087. The reversal of 28292122709052 is 25090722129282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 28292122708986 and 28292122709004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1178838446199 + ... + 1178838446222.

It is an arithmetic number, because the mean of its divisors is an integer number (5501246082318).

Almost surely, 2^{28292122709052} is an apocalyptic number.

It is an amenable number.

28292122709052 is an abundant number, since it is smaller than the sum of its proper divisors (37722830278764).

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

28292122709052 is a wasteful number, since it uses less digits than its factorization.

28292122709052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357676892428 (or 2357676892426 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 28292122709052 in words is "twenty-eight trillion, two hundred ninety-two billion, one hundred twenty-two million, seven hundred nine thousand, fifty-two".