83648976 has 80 divisors (see below), whose sum is σ = 238806144. Its totient is φ = 25096192.

The previous prime is 83648947. The next prime is 83648987. The reversal of 83648976 is 67984638.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16540 + ... + 20996.

Almost surely, 2^83648976 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 83648976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119403072).

83648976 is an abundant number, since it is smaller than the sum of its proper divisors (155157168).

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

83648976 is a wasteful number, since it uses less digits than its factorization.

83648976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508 (or 4502 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 83648976 is about 9145.9814126205. The cubic root of 83648976 is about 437.3410160839.

The spelling of 83648976 in words is "eighty-three million, six hundred forty-eight thousand, nine hundred seventy-six".