1018878382 has 16 divisors (see below), whose sum is σ = 1617753600. Its totient is φ = 479927160.

The previous prime is 1018878317. The next prime is 1018878383. The reversal of 1018878382 is 2838788101.

It is a happy number.

It is a super-2 number, since 2×1018878382² = 2076226314613875848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018878383) 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 7 ways as a sum of consecutive naturals, for example, 68094 + ... + 81697.

It is an arithmetic number, because the mean of its divisors is an integer number (101109600).

Almost surely, 2^1018878382 is an apocalyptic number.

1018878382 is a deficient number, since it is larger than the sum of its proper divisors (598875218).

1018878382 is a wasteful number, since it uses less digits than its factorization.

1018878382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149991.

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 1018878382 is about 31919.8744045148. The cubic root of 1018878382 is about 1006.2536049046.

The spelling of 1018878382 in words is "one billion, eighteen million, eight hundred seventy-eight thousand, three hundred eighty-two".