83997744 has 40 divisors (see below), whose sum is σ = 217329840. Its totient is φ = 27955968.

The previous prime is 83997721. The next prime is 83997751. The reversal of 83997744 is 44779938.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50494 + ... + 52130.

It is an arithmetic number, because the mean of its divisors is an integer number (5433246).

Almost surely, 2^83997744 is an apocalyptic number.

It is an amenable number.

83997744 is an abundant number, since it is smaller than the sum of its proper divisors (133332096).

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

83997744 is a wasteful number, since it uses less digits than its factorization.

83997744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717 (or 2711 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 83997744 is about 9165.0283141952. The cubic root of 83997744 is about 437.9479932413.

The spelling of 83997744 in words is "eighty-three million, nine hundred ninety-seven thousand, seven hundred forty-four".