434780377 has 4 divisors (see below), whose sum is σ = 446531236. Its totient is φ = 423029520.

The previous prime is 434780369. The next prime is 434780387. The reversal of 434780377 is 773087434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 318658201 + 116122176 = 17851^2 + 10776^2 .

It is a cyclic number.

It is not a de Polignac number, because 434780377 - 2³ = 434780369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434780317) 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, 5875374 + ... + 5875447.

It is an arithmetic number, because the mean of its divisors is an integer number (111632809).

Almost surely, 2^434780377 is an apocalyptic number.

It is an amenable number.

434780377 is a deficient number, since it is larger than the sum of its proper divisors (11750859).

434780377 is a wasteful number, since it uses less digits than its factorization.

434780377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750858.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 434780377 is about 20851.3878914570. The cubic root of 434780377 is about 757.5709479816.

The spelling of 434780377 in words is "four hundred thirty-four million, seven hundred eighty thousand, three hundred seventy-seven".