28763377 has 2 divisors, whose sum is σ = 28763378. Its totient is φ = 28763376.

The previous prime is 28763353. The next prime is 28763417. The reversal of 28763377 is 77336782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18011536 + 10751841 = 4244^2 + 3279^2 .

It is a cyclic number.

It is not a de Polignac number, because 28763377 - 2⁷ = 28763249 is a prime.

It is not a weakly prime, because it can be changed into another prime (28763477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381688 + 14381689.

It is an arithmetic number, because the mean of its divisors is an integer number (14381689).

Almost surely, 2^28763377 is an apocalyptic number.

It is an amenable number.

28763377 is a deficient number, since it is larger than the sum of its proper divisors (1).

28763377 is an equidigital number, since it uses as much as digits as its factorization.

28763377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 43.

The square root of 28763377 is about 5363.1499139964. The cubic root of 28763377 is about 306.3937893709.

The spelling of 28763377 in words is "twenty-eight million, seven hundred sixty-three thousand, three hundred seventy-seven".