28918052351 has 8 divisors (see below), whose sum is σ = 31674946320. Its totient is φ = 26278473088.

The previous prime is 28918052333. The next prime is 28918052353. The reversal of 28918052351 is 15325081982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28918052351 - 2²² = 28913858047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28918052353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29328161 + ... + 29329146.

It is an arithmetic number, because the mean of its divisors is an integer number (3959368290).

Almost surely, 2^28918052351 is an apocalyptic number.

28918052351 is a deficient number, since it is larger than the sum of its proper divisors (2756893969).

28918052351 is a wasteful number, since it uses less digits than its factorization.

28918052351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58657353.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 28918052351 in words is "twenty-eight billion, nine hundred eighteen million, fifty-two thousand, three hundred fifty-one".