28763351 has 2 divisors, whose sum is σ = 28763352. Its totient is φ = 28763350.

The previous prime is 28763323. The next prime is 28763353. The reversal of 28763351 is 15336782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28763351 - 2²² = 24569047 is a prime.

Together with 28763353, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28763353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381675 + 14381676.

It is an arithmetic number, because the mean of its divisors is an integer number (14381676).

Almost surely, 2^28763351 is an apocalyptic number.

28763351 is a deficient number, since it is larger than the sum of its proper divisors (1).

28763351 is an equidigital number, since it uses as much as digits as its factorization.

28763351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 28763351 is about 5363.1474900472. The cubic root of 28763351 is about 306.3936970517.

The spelling of 28763351 in words is "twenty-eight million, seven hundred sixty-three thousand, three hundred fifty-one".