1828852978 has 8 divisors (see below), whose sum is σ = 2743461468. Its totient is φ = 914365824.

The previous prime is 1828852973. The next prime is 1828852997. The reversal of 1828852978 is 8792588281.

It can be written as a sum of positive squares in 2 ways, for example, as 1604242809 + 224610169 = 40053^2 + 14987^2 .

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 (1828852973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39550 + ... + 72262.

Almost surely, 2^1828852978 is an apocalyptic number.

1828852978 is a deficient number, since it is larger than the sum of its proper divisors (914608490).

1828852978 is a wasteful number, since it uses less digits than its factorization.

1828852978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60668.

The product of its digits is 5160960, while the sum is 58.

The square root of 1828852978 is about 42765.0906464607. The cubic root of 1828852978 is about 1222.9055930364.

The spelling of 1828852978 in words is "one billion, eight hundred twenty-eight million, eight hundred fifty-two thousand, nine hundred seventy-eight".