28463077 has 2 divisors, whose sum is σ = 28463078. Its totient is φ = 28463076.

The previous prime is 28463069. The next prime is 28463129. The reversal of 28463077 is 77036482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 12068676 = 4049^2 + 3474^2 .

It is a cyclic number.

It is not a de Polignac number, because 28463077 - 2³ = 28463069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28464077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14231538 + 14231539.

It is an arithmetic number, because the mean of its divisors is an integer number (14231539).

Almost surely, 2^28463077 is an apocalyptic number.

It is an amenable number.

28463077 is a deficient number, since it is larger than the sum of its proper divisors (1).

28463077 is an equidigital number, since it uses as much as digits as its factorization.

28463077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 28463077 is about 5335.0798494493. The cubic root of 28463077 is about 305.3237697733.

The spelling of 28463077 in words is "twenty-eight million, four hundred sixty-three thousand, seventy-seven".