434786977 has 2 divisors, whose sum is σ = 434786978. Its totient is φ = 434786976.

The previous prime is 434786971. The next prime is 434786987. The reversal of 434786977 is 779687434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371679841 + 63107136 = 19279^2 + 7944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434786977 is a prime.

It is not a weakly prime, because it can be changed into another prime (434786971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217393488 + 217393489.

It is an arithmetic number, because the mean of its divisors is an integer number (217393489).

Almost surely, 2^434786977 is an apocalyptic number.

It is an amenable number.

434786977 is a deficient number, since it is larger than the sum of its proper divisors (1).

434786977 is an equidigital number, since it uses as much as digits as its factorization.

434786977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7112448, while the sum is 55.

The square root of 434786977 is about 20851.5461537028. The cubic root of 434786977 is about 757.5747812908.

The spelling of 434786977 in words is "four hundred thirty-four million, seven hundred eighty-six thousand, nine hundred seventy-seven".