28976719 has 2 divisors, whose sum is σ = 28976720. Its totient is φ = 28976718.

The previous prime is 28976707. The next prime is 28976737. The reversal of 28976719 is 91767982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28976719 is a prime.

It is a super-2 number, since 2×28976719² = 1679300488009922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28976119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14488359 + 14488360.

It is an arithmetic number, because the mean of its divisors is an integer number (14488360).

Almost surely, 2^28976719 is an apocalyptic number.

28976719 is a deficient number, since it is larger than the sum of its proper divisors (1).

28976719 is an equidigital number, since it uses as much as digits as its factorization.

28976719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 49.

The square root of 28976719 is about 5383.0027865495. The cubic root of 28976719 is about 307.1494460664.

The spelling of 28976719 in words is "twenty-eight million, nine hundred seventy-six thousand, seven hundred nineteen".