1973116784 has 20 divisors (see below), whose sum is σ = 3824170416. Its totient is φ = 986234112.

The previous prime is 1973116757. The next prime is 1973116787. The reversal of 1973116784 is 4876113791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973116787) 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, 34397 + ... + 71619.

Almost surely, 2^1973116784 is an apocalyptic number.

It is an amenable number.

1973116784 is a deficient number, since it is larger than the sum of its proper divisors (1851053632).

1973116784 is a wasteful number, since it uses less digits than its factorization.

1973116784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40544 (or 40538 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The square root of 1973116784 is about 44419.7791980104. The cubic root of 1973116784 is about 1254.2504445153.

The spelling of 1973116784 in words is "one billion, nine hundred seventy-three million, one hundred sixteen thousand, seven hundred eighty-four".