83740515412 has 48 divisors (see below), whose sum is σ = 154907121600. Its totient is φ = 39500213760.

The previous prime is 83740515377. The next prime is 83740515473. The reversal of 83740515412 is 21451504738.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22263612 + ... + 22267372.

It is an arithmetic number, because the mean of its divisors is an integer number (3227231700).

Almost surely, 2^83740515412 is an apocalyptic number.

It is an amenable number.

83740515412 is a deficient number, since it is larger than the sum of its proper divisors (71166606188).

83740515412 is a wasteful number, since it uses less digits than its factorization.

83740515412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936 (or 4934 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 83740515412 in words is "eighty-three billion, seven hundred forty million, five hundred fifteen thousand, four hundred twelve".