83143488 has 112 divisors (see below), whose sum is σ = 231810560. Its totient is φ = 26265600.

The previous prime is 83143451. The next prime is 83143513. The reversal of 83143488 is 88434138.

It is a super-2 number, since 2×83143488² = 13825679193612288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362958 + ... + 363186.

Almost surely, 2^83143488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83143488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115905280).

83143488 is an abundant number, since it is smaller than the sum of its proper divisors (148667072).

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

83143488 is a wasteful number, since it uses less digits than its factorization.

83143488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 326 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 83143488 is about 9118.3051056652. The cubic root of 83143488 is about 436.4582898204.

The spelling of 83143488 in words is "eighty-three million, one hundred forty-three thousand, four hundred eighty-eight".