71780483764 has 12 divisors (see below), whose sum is σ = 137035469088. Its totient is φ = 32627492600.

The previous prime is 71780483699. The next prime is 71780483767. The reversal of 71780483764 is 46738408717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71780483767) 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, 815687272 + ... + 815687359.

It is an arithmetic number, because the mean of its divisors is an integer number (11419622424).

Almost surely, 2^71780483764 is an apocalyptic number.

It is an amenable number.

71780483764 is a deficient number, since it is larger than the sum of its proper divisors (65254985324).

71780483764 is a wasteful number, since it uses less digits than its factorization.

71780483764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631374646 (or 1631374644 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 71780483764 in words is "seventy-one billion, seven hundred eighty million, four hundred eighty-three thousand, seven hundred sixty-four".