83791098 has 20 divisors (see below), whose sum is σ = 187754490. Its totient is φ = 27930312.

The previous prime is 83791091. The next prime is 83791117. The reversal of 83791098 is 89019738.

It can be written as a sum of positive squares in only one way, i.e., 83777409 + 13689 = 9153^2 + 117^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83791091) 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 9 ways as a sum of consecutive naturals, for example, 258453 + ... + 258776.

Almost surely, 2^83791098 is an apocalyptic number.

83791098 is an abundant number, since it is smaller than the sum of its proper divisors (103963392).

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

83791098 is a wasteful number, since it uses less digits than its factorization.

83791098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517243 (or 517234 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 83791098 is about 9153.7477570665. The cubic root of 83791098 is about 437.5885609018.

The spelling of 83791098 in words is "eighty-three million, seven hundred ninety-one thousand, ninety-eight".