83738739 has 8 divisors (see below), whose sum is σ = 127601920. Its totient is φ = 47850696.

The previous prime is 83738723. The next prime is 83738773. The reversal of 83738739 is 93783738.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83738739 - 2⁴ = 83738723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83738779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1993759 + ... + 1993800.

It is an arithmetic number, because the mean of its divisors is an integer number (15950240).

Almost surely, 2^83738739 is an apocalyptic number.

83738739 is a deficient number, since it is larger than the sum of its proper divisors (43863181).

83738739 is a wasteful number, since it uses less digits than its factorization.

83738739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987569.

The product of its digits is 762048, while the sum is 48.

The square root of 83738739 is about 9150.8873340240. The cubic root of 83738739 is about 437.4973957940.

The spelling of 83738739 in words is "eighty-three million, seven hundred thirty-eight thousand, seven hundred thirty-nine".