354434777 has 4 divisors (see below), whose sum is σ = 354962100. Its totient is φ = 353907456.

The previous prime is 354434753. The next prime is 354434809. The reversal of 354434777 is 777434453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 777434453 = 43 ⋅18079871.

It can be written as a sum of positive squares in 2 ways, for example, as 265396681 + 89038096 = 16291^2 + 9436^2 .

It is a cyclic number.

It is not a de Polignac number, because 354434777 - 2¹⁰ = 354433753 is a prime.

It is a super-2 number, since 2×354434777² = 251248022294079458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354434077) 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, 262652 + ... + 263997.

It is an arithmetic number, because the mean of its divisors is an integer number (88740525).

Almost surely, 2^354434777 is an apocalyptic number.

It is an amenable number.

354434777 is a deficient number, since it is larger than the sum of its proper divisors (527323).

354434777 is an equidigital number, since it uses as much as digits as its factorization.

354434777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527322.

The product of its digits is 987840, while the sum is 44.

The square root of 354434777 is about 18826.4382451913. The cubic root of 354434777 is about 707.6938845237.

The spelling of 354434777 in words is "three hundred fifty-four million, four hundred thirty-four thousand, seven hundred seventy-seven".