14972777 has 2 divisors, whose sum is σ = 14972778. Its totient is φ = 14972776.

The previous prime is 14972761. The next prime is 14972807. The reversal of 14972777 is 77727941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13868176 + 1104601 = 3724^2 + 1051^2 .

It is an emirp because it is prime and its reverse (77727941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14972777 - 2⁴ = 14972761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14972077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7486388 + 7486389.

It is an arithmetic number, because the mean of its divisors is an integer number (7486389).

Almost surely, 2^14972777 is an apocalyptic number.

It is an amenable number.

14972777 is a deficient number, since it is larger than the sum of its proper divisors (1).

14972777 is an equidigital number, since it uses as much as digits as its factorization.

14972777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172872, while the sum is 44.

The square root of 14972777 is about 3869.4672759955. The cubic root of 14972777 is about 246.4719222161.

The spelling of 14972777 in words is "fourteen million, nine hundred seventy-two thousand, seven hundred seventy-seven".