1970841578 has 8 divisors (see below), whose sum is σ = 2960592768. Its totient is φ = 983977324.

The previous prime is 1970841571. The next prime is 1970841589. The reversal of 1970841578 is 8751480791.

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

It is not an unprimeable number, because it can be changed into a prime (1970841571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720026 + ... + 722757.

It is an arithmetic number, because the mean of its divisors is an integer number (370074096).

Almost surely, 2^1970841578 is an apocalyptic number.

1970841578 is a deficient number, since it is larger than the sum of its proper divisors (989751190).

1970841578 is a wasteful number, since it uses less digits than its factorization.

1970841578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443468.

The product of its (nonzero) digits is 564480, while the sum is 50.

The square root of 1970841578 is about 44394.1615305436. The cubic root of 1970841578 is about 1253.7681659659.

The spelling of 1970841578 in words is "one billion, nine hundred seventy million, eight hundred forty-one thousand, five hundred seventy-eight".