1976782412 has 24 divisors (see below), whose sum is σ = 3861625152. Its totient is φ = 877640400.

The previous prime is 1976782411. The next prime is 1976782421. The reversal of 1976782412 is 2142876791.

It is not an unprimeable number, because it can be changed into a prime (1976782411) 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 7 ways as a sum of consecutive naturals, for example, 520514 + ... + 524297.

It is an arithmetic number, because the mean of its divisors is an integer number (160901048).

Almost surely, 2^1976782412 is an apocalyptic number.

It is an amenable number.

1976782412 is a deficient number, since it is larger than the sum of its proper divisors (1884842740).

1976782412 is a wasteful number, since it uses less digits than its factorization.

1976782412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044869 (or 1044867 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 1976782412 is about 44461.0212658234. The cubic root of 1976782412 is about 1255.0266735070.

The spelling of 1976782412 in words is "one billion, nine hundred seventy-six million, seven hundred eighty-two thousand, four hundred twelve".