354742436777 has 4 divisors (see below), whose sum is σ = 354748918356. Its totient is φ = 354735955200.

The previous prime is 354742436767. The next prime is 354742436791. The reversal of 354742436777 is 777634247453.

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 3112412521 + 351630024256 = 55789^2 + 592984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354742436777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354742436717) 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, 3157988 + ... + 3268389.

It is an arithmetic number, because the mean of its divisors is an integer number (88687229589).

Almost surely, 2^354742436777 is an apocalyptic number.

It is an amenable number.

354742436777 is a deficient number, since it is larger than the sum of its proper divisors (6481579).

354742436777 is an equidigital number, since it uses as much as digits as its factorization.

354742436777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481578.

The product of its digits is 82978560, while the sum is 59.

The spelling of 354742436777 in words is "three hundred fifty-four billion, seven hundred forty-two million, four hundred thirty-six thousand, seven hundred seventy-seven".