1996870578 has 8 divisors (see below), whose sum is σ = 3993741168. Its totient is φ = 665623524.

The previous prime is 1996870571. The next prime is 1996870627. The reversal of 1996870578 is 8750786991.

It is a sphenic number, since it is the product of 3 distinct primes.

1996870578 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1996870571) 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 3 ways as a sum of consecutive naturals, for example, 166405876 + ... + 166405887.

It is an arithmetic number, because the mean of its divisors is an integer number (499217646).

Almost surely, 2^1996870578 is an apocalyptic number.

1996870578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1996870578 is a wasteful number, since it uses less digits than its factorization.

1996870578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332811768.

The product of its (nonzero) digits is 7620480, while the sum is 60.

The square root of 1996870578 is about 44686.3578511384. The cubic root of 1996870578 is about 1259.2635694113.

The spelling of 1996870578 in words is "one billion, nine hundred ninety-six million, eight hundred seventy thousand, five hundred seventy-eight".