1578879232 has 36 divisors (see below), whose sum is σ = 3601822336. Its totient is φ = 676661760.

The previous prime is 1578879221. The next prime is 1578879241. The reversal of 1578879232 is 2329788751.

It is a self number, because there is not a number n which added to its sum of digits gives 1578879232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438744 + ... + 442327.

Almost surely, 2^1578879232 is an apocalyptic number.

It is an amenable number.

1578879232 is an abundant number, since it is smaller than the sum of its proper divisors (2022943104).

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

1578879232 is an frugal number, since it uses more digits than its factorization.

1578879232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881094 (or 881080 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 1578879232 is about 39735.1133382050. The cubic root of 1578879232 is about 1164.4378241416.

The spelling of 1578879232 in words is "one billion, five hundred seventy-eight million, eight hundred seventy-nine thousand, two hundred thirty-two".