434247077 has 4 divisors (see below), whose sum is σ = 473724096. Its totient is φ = 394770060.

The previous prime is 434247049. The next prime is 434247091. The reversal of 434247077 is 770742434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 434247077 - 2⁸ = 434246821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434247077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434247007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19738493 + ... + 19738514.

It is an arithmetic number, because the mean of its divisors is an integer number (118431024).

Almost surely, 2^434247077 is an apocalyptic number.

It is an amenable number.

434247077 is a deficient number, since it is larger than the sum of its proper divisors (39477019).

434247077 is a wasteful number, since it uses less digits than its factorization.

434247077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39477018.

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 434247077 is about 20838.5958500087. The cubic root of 434247077 is about 757.2610766784.

The spelling of 434247077 in words is "four hundred thirty-four million, two hundred forty-seven thousand, seventy-seven".