83749798 has 16 divisors (see below), whose sum is σ = 140389200. Its totient is φ = 37139200.

The previous prime is 83749789. The next prime is 83749811. The reversal of 83749798 is 89794738.

It is a congruent 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, 45523 + ... + 47326.

It is an arithmetic number, because the mean of its divisors is an integer number (8774325).

Almost surely, 2^83749798 is an apocalyptic number.

83749798 is a deficient number, since it is larger than the sum of its proper divisors (56639402).

83749798 is a wasteful number, since it uses less digits than its factorization.

83749798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92903.

The product of its digits is 3048192, while the sum is 55.

The square root of 83749798 is about 9151.4915724159. The cubic root of 83749798 is about 437.5166543864.

The spelling of 83749798 in words is "eighty-three million, seven hundred forty-nine thousand, seven hundred ninety-eight".