1162558878 has 16 divisors (see below), whose sum is σ = 2503973136. Its totient is φ = 357710400.

The previous prime is 1162558877. The next prime is 1162558937. The reversal of 1162558878 is 8788552611.

It is a self number, because there is not a number n which added to its sum of digits gives 1162558878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162558877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7452223 + ... + 7452378.

It is an arithmetic number, because the mean of its divisors is an integer number (156498321).

Almost surely, 2^1162558878 is an apocalyptic number.

1162558878 is an abundant number, since it is smaller than the sum of its proper divisors (1341414258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1162558878 is a wasteful number, since it uses less digits than its factorization.

1162558878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14904619.

The product of its digits is 1075200, while the sum is 51.

The square root of 1162558878 is about 34096.3176604161. The cubic root of 1162558878 is about 1051.4896099895.

The spelling of 1162558878 in words is "one billion, one hundred sixty-two million, five hundred fifty-eight thousand, eight hundred seventy-eight".