28962797 has 2 divisors, whose sum is σ = 28962798. Its totient is φ = 28962796.

The previous prime is 28962719. The next prime is 28962799. The reversal of 28962797 is 79726982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 724201 = 5314^2 + 851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28962797 is a prime.

It is a super-2 number, since 2×28962797² = 1677687220126418, which contains 22 as substring.

Together with 28962799, 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 (28962799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14481398 + 14481399.

It is an arithmetic number, because the mean of its divisors is an integer number (14481399).

Almost surely, 2^28962797 is an apocalyptic number.

It is an amenable number.

28962797 is a deficient number, since it is larger than the sum of its proper divisors (1).

28962797 is an equidigital number, since it uses as much as digits as its factorization.

28962797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 28962797 is about 5381.7094867709. The cubic root of 28962797 is about 307.1002477243.

The spelling of 28962797 in words is "twenty-eight million, nine hundred sixty-two thousand, seven hundred ninety-seven".