83742644766 has 32 divisors (see below), whose sum is σ = 183147350400. Its totient is φ = 25315986080.

The previous prime is 83742644737. The next prime is 83742644767. The reversal of 83742644766 is 66744624738.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83742644767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486461 + ... + 1541768.

It is an arithmetic number, because the mean of its divisors is an integer number (5723354700).

Almost surely, 2^83742644766 is an apocalyptic number.

83742644766 is an abundant number, since it is smaller than the sum of its proper divisors (99404705634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83742644766 is a wasteful number, since it uses less digits than its factorization.

83742644766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028664.

The product of its digits is 32514048, while the sum is 57.

The spelling of 83742644766 in words is "eighty-three billion, seven hundred forty-two million, six hundred forty-four thousand, seven hundred sixty-six".