28858121172316 has 12 divisors (see below), whose sum is σ = 53472400995888. Its totient is φ = 13580292316352.

The previous prime is 28858121172311. The next prime is 28858121172323. The reversal of 28858121172316 is 61327112185882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28858121172311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212192067376 + ... + 212192067511.

It is an arithmetic number, because the mean of its divisors is an integer number (4456033416324).

Almost surely, 2^{28858121172316} is an apocalyptic number.

It is an amenable number.

28858121172316 is a deficient number, since it is larger than the sum of its proper divisors (24614279823572).

28858121172316 is a wasteful number, since it uses less digits than its factorization.

28858121172316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424384134908 (or 424384134906 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The spelling of 28858121172316 in words is "twenty-eight trillion, eight hundred fifty-eight billion, one hundred twenty-one million, one hundred seventy-two thousand, three hundred sixteen".