1578799960 has 16 divisors (see below), whose sum is σ = 3552300000. Its totient is φ = 631519968.

The previous prime is 1578799931. The next prime is 1578799969. The reversal of 1578799960 is 699978751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1578799969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19734960 + ... + 19735039.

It is an arithmetic number, because the mean of its divisors is an integer number (222018750).

Almost surely, 2^1578799960 is an apocalyptic number.

1578799960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1578799960 is an abundant number, since it is smaller than the sum of its proper divisors (1973500040).

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

1578799960 is a wasteful number, since it uses less digits than its factorization.

1578799960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470010 (or 39470006 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 61.

The square root of 1578799960 is about 39734.1158200356. The cubic root of 1578799960 is about 1164.4183358747.

The spelling of 1578799960 in words is "one billion, five hundred seventy-eight million, seven hundred ninety-nine thousand, nine hundred sixty".