28722500522782 has 8 divisors (see below), whose sum is σ = 47000455400952. Its totient is φ = 13055682055800.

The previous prime is 28722500522773. The next prime is 28722500522801.

28722500522782 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×28722500522782³ (a number of 41 digits) contains 333 as substring.

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, 652784102769 + ... + 652784102812.

It is an arithmetic number, because the mean of its divisors is an integer number (5875056925119).

Almost surely, 2^{28722500522782} is an apocalyptic number.

28722500522782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28722500522782 is a deficient number, since it is larger than the sum of its proper divisors (18277954878170).

28722500522782 is a wasteful number, since it uses less digits than its factorization.

28722500522782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305568205594.

The product of its (nonzero) digits is 5017600, while the sum is 52.

The spelling of 28722500522782 in words is "twenty-eight trillion, seven hundred twenty-two billion, five hundred million, five hundred twenty-two thousand, seven hundred eighty-two".