354987222077 has 4 divisors (see below), whose sum is σ = 360806684796. Its totient is φ = 349167759360.

The previous prime is 354987222067. The next prime is 354987222091. The reversal of 354987222077 is 770222789453.

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 24384071716 + 330603150361 = 156154^2 + 574981^2 .

It is a cyclic number.

It is not a de Polignac number, because 354987222077 - 2⁴ = 354987222061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354987222017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2909731268 + ... + 2909731389.

It is an arithmetic number, because the mean of its divisors is an integer number (90201671199).

Almost surely, 2^354987222077 is an apocalyptic number.

It is an amenable number.

354987222077 is a deficient number, since it is larger than the sum of its proper divisors (5819462719).

354987222077 is an equidigital number, since it uses as much as digits as its factorization.

354987222077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819462718.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 354987222077 in words is "three hundred fifty-four billion, nine hundred eighty-seven million, two hundred twenty-two thousand, seventy-seven".