282252820978 has 4 divisors (see below), whose sum is σ = 423379231470. Its totient is φ = 141126410488.

The previous prime is 282252820973. The next prime is 282252820987. The reversal of 282252820978 is 879028252282.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 280394607529 + 1858213449 = 529523^2 + 43107^2 .

It is not an unprimeable number, because it can be changed into a prime (282252820973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70563205243 + ... + 70563205246.

Almost surely, 2^282252820978 is an apocalyptic number.

282252820978 is a deficient number, since it is larger than the sum of its proper divisors (141126410492).

282252820978 is a wasteful number, since it uses less digits than its factorization.

282252820978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141126410491.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 282252820978 in words is "two hundred eighty-two billion, two hundred fifty-two million, eight hundred twenty thousand, nine hundred seventy-eight".