1164274878 has 32 divisors (see below), whose sum is σ = 2510861472. Its totient is φ = 357782400.

The previous prime is 1164274871. The next prime is 1164274897. The reversal of 1164274878 is 8784724611.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164274871) 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 15 ways as a sum of consecutive naturals, for example, 54948 + ... + 73128.

It is an arithmetic number, because the mean of its divisors is an integer number (78464421).

Almost surely, 2^1164274878 is an apocalyptic number.

1164274878 is an abundant number, since it is smaller than the sum of its proper divisors (1346586594).

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

1164274878 is a wasteful number, since it uses less digits than its factorization.

1164274878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19020.

The product of its digits is 602112, while the sum is 48.

The square root of 1164274878 is about 34121.4723890983. The cubic root of 1164274878 is about 1052.0067075623.

The spelling of 1164274878 in words is "one billion, one hundred sixty-four million, two hundred seventy-four thousand, eight hundred seventy-eight".