83729893 has 8 divisors (see below), whose sum is σ = 90272000. Its totient is φ = 77202288.

The previous prime is 83729887. The next prime is 83729897. The reversal of 83729893 is 39892738.

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

It is a cyclic number.

It is not a de Polignac number, because 83729893 - 2⁵ = 83729861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83729897) 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, 10408 + ... + 16606.

It is an arithmetic number, because the mean of its divisors is an integer number (11284000).

Almost surely, 2^83729893 is an apocalyptic number.

It is an amenable number.

83729893 is a deficient number, since it is larger than the sum of its proper divisors (6542107).

83729893 is a wasteful number, since it uses less digits than its factorization.

83729893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7251.

The product of its digits is 653184, while the sum is 49.

The square root of 83729893 is about 9150.4039801530. The cubic root of 83729893 is about 437.4819897892.

The spelling of 83729893 in words is "eighty-three million, seven hundred twenty-nine thousand, eight hundred ninety-three".