434172077 has 2 divisors, whose sum is σ = 434172078. Its totient is φ = 434172076.

The previous prime is 434172073. The next prime is 434172119. The reversal of 434172077 is 770271434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422138116 + 12033961 = 20546^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 434172077 - 2² = 434172073 is a prime.

It is a super-3 number, since 3×434172077³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434172073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217086038 + 217086039.

It is an arithmetic number, because the mean of its divisors is an integer number (217086039).

Almost surely, 2^434172077 is an apocalyptic number.

It is an amenable number.

434172077 is a deficient number, since it is larger than the sum of its proper divisors (1).

434172077 is an equidigital number, since it uses as much as digits as its factorization.

434172077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 434172077 is about 20836.7962268675. The cubic root of 434172077 is about 757.2174779580.

It can be divided in two parts, 43417 and 2077, that multiplied together give a palindrome (90177109).

The spelling of 434172077 in words is "four hundred thirty-four million, one hundred seventy-two thousand, seventy-seven".