352278778 has 8 divisors (see below), whose sum is σ = 528545268. Its totient is φ = 176097024.

The previous prime is 352278767. The next prime is 352278779. The reversal of 352278778 is 877872253.

It can be written as a sum of positive squares in 2 ways, for example, as 348830329 + 3448449 = 18677^2 + 1857^2 .

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

It is not an unprimeable number, because it can be changed into a prime (352278779) 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, 9501 + ... + 28192.

Almost surely, 2^352278778 is an apocalyptic number.

352278778 is a deficient number, since it is larger than the sum of its proper divisors (176266490).

352278778 is a wasteful number, since it uses less digits than its factorization.

352278778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42368.

The product of its digits is 1317120, while the sum is 49.

The square root of 352278778 is about 18769.0910275378. The cubic root of 352278778 is about 706.2560162591.

The spelling of 352278778 in words is "three hundred fifty-two million, two hundred seventy-eight thousand, seven hundred seventy-eight".