83798731 has 4 divisors (see below), whose sum is σ = 83916000. Its totient is φ = 83681464.

The previous prime is 83798707. The next prime is 83798753. The reversal of 83798731 is 13789738.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13789738 = 2 ⋅6894869.

It is a cyclic number.

It is not a de Polignac number, because 83798731 - 2¹⁵ = 83765963 is a prime.

It is a super-2 number, since 2×83798731² = 14044454634420722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83798761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57556 + ... + 58993.

It is an arithmetic number, because the mean of its divisors is an integer number (20979000).

Almost surely, 2^83798731 is an apocalyptic number.

83798731 is a deficient number, since it is larger than the sum of its proper divisors (117269).

83798731 is a wasteful number, since it uses less digits than its factorization.

83798731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117268.

The product of its digits is 254016, while the sum is 46.

The square root of 83798731 is about 9154.1646806249. The cubic root of 83798731 is about 437.6018479619.

The spelling of 83798731 in words is "eighty-three million, seven hundred ninety-eight thousand, seven hundred thirty-one".