83748688 has 20 divisors (see below), whose sum is σ = 162661588. Its totient is φ = 41771520.

The previous prime is 83748661. The next prime is 83748697. The reversal of 83748688 is 88684738.

It can be written as a sum of positive squares in 2 ways, for example, as 3968064 + 79780624 = 1992^2 + 8932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520 + ... + 12952.

Almost surely, 2^83748688 is an apocalyptic number.

It is an amenable number.

83748688 is a deficient number, since it is larger than the sum of its proper divisors (78912900).

83748688 is a wasteful number, since it uses less digits than its factorization.

83748688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862 (or 12856 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 83748688 is about 9151.4309263634. The cubic root of 83748688 is about 437.5147214638.

The spelling of 83748688 in words is "eighty-three million, seven hundred forty-eight thousand, six hundred eighty-eight".