28980685743 has 8 divisors (see below), whose sum is σ = 39016069248. Its totient is φ = 19132879704.

The previous prime is 28980685733. The next prime is 28980685751. The reversal of 28980685743 is 34758608982.

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

It is not a de Polignac number, because 28980685743 - 2¹⁷ = 28980554671 is a prime.

It is a super-2 number, since 2×28980685743² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28980685733) 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, 46894005 + ... + 46894622.

It is an arithmetic number, because the mean of its divisors is an integer number (4877008656).

Almost surely, 2^28980685743 is an apocalyptic number.

28980685743 is a deficient number, since it is larger than the sum of its proper divisors (10035383505).

28980685743 is a wasteful number, since it uses less digits than its factorization.

28980685743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93788733.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 28980685743 in words is "twenty-eight billion, nine hundred eighty million, six hundred eighty-five thousand, seven hundred forty-three".