28762697 has 2 divisors, whose sum is σ = 28762698. Its totient is φ = 28762696.

The previous prime is 28762687. The next prime is 28762703. The reversal of 28762697 is 79626782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 6446521 = 4724^2 + 2539^2 .

It is a cyclic number.

It is not a de Polignac number, because 28762697 - 2⁶ = 28762633 is a prime.

It is not a weakly prime, because it can be changed into another prime (28762667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381348 + 14381349.

It is an arithmetic number, because the mean of its divisors is an integer number (14381349).

Almost surely, 2^28762697 is an apocalyptic number.

It is an amenable number.

28762697 is a deficient number, since it is larger than the sum of its proper divisors (1).

28762697 is an equidigital number, since it uses as much as digits as its factorization.

28762697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 28762697 is about 5363.0865180416. The cubic root of 28762697 is about 306.3913748490.

The spelling of 28762697 in words is "twenty-eight million, seven hundred sixty-two thousand, six hundred ninety-seven".