354220779 has 8 divisors (see below), whose sum is σ = 515230272. Its totient is φ = 214679240.

The previous prime is 354220777. The next prime is 354220807. The reversal of 354220779 is 977022453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354220779 - 2¹ = 354220777 is a prime.

It is a super-3 number, since 3×354220779³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (354220777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366949 + ... + 5367014.

It is an arithmetic number, because the mean of its divisors is an integer number (64403784).

Almost surely, 2^354220779 is an apocalyptic number.

354220779 is a deficient number, since it is larger than the sum of its proper divisors (161009493).

354220779 is a wasteful number, since it uses less digits than its factorization.

354220779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10733977.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 354220779 is about 18820.7539434530. The cubic root of 354220779 is about 707.5514271282.

The spelling of 354220779 in words is "three hundred fifty-four million, two hundred twenty thousand, seven hundred seventy-nine".