495278677 has 2 divisors, whose sum is σ = 495278678. Its totient is φ = 495278676.

The previous prime is 495278671. The next prime is 495278683. The reversal of 495278677 is 776872594.

It is a balanced prime because it is at equal distance from previous prime (495278671) and next prime (495278683).

It can be written as a sum of positive squares in only one way, i.e., 364084561 + 131194116 = 19081^2 + 11454^2 .

It is a cyclic number.

It is not a de Polignac number, because 495278677 - 2⁷ = 495278549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495278671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247639338 + 247639339.

It is an arithmetic number, because the mean of its divisors is an integer number (247639339).

Almost surely, 2^495278677 is an apocalyptic number.

It is an amenable number.

495278677 is a deficient number, since it is larger than the sum of its proper divisors (1).

495278677 is an equidigital number, since it uses as much as digits as its factorization.

495278677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 55.

The square root of 495278677 is about 22254.8573799070. The cubic root of 495278677 is about 791.1944101996.

The spelling of 495278677 in words is "four hundred ninety-five million, two hundred seventy-eight thousand, six hundred seventy-seven".