1047768158 has 16 divisors (see below), whose sum is σ = 1595103840. Its totient is φ = 516079200.

The previous prime is 1047768131. The next prime is 1047768193. The reversal of 1047768158 is 8518677401.

It is a super-2 number, since 2×1047768158² = 2195636225837425928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 234788 + ... + 239208.

It is an arithmetic number, because the mean of its divisors is an integer number (99693990).

Almost surely, 2^1047768158 is an apocalyptic number.

1047768158 is a deficient number, since it is larger than the sum of its proper divisors (547335682).

1047768158 is a wasteful number, since it uses less digits than its factorization.

1047768158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6163.

The product of its (nonzero) digits is 376320, while the sum is 47.

The square root of 1047768158 is about 32369.2471027672. The cubic root of 1047768158 is about 1015.6757075407.

The spelling of 1047768158 in words is "one billion, forty-seven million, seven hundred sixty-eight thousand, one hundred fifty-eight".