83788056 has 96 divisors (see below), whose sum is σ = 251409600. Its totient is φ = 24995520.

The previous prime is 83788049. The next prime is 83788063. The reversal of 83788056 is 65088738.

It is an interprime number because it is at equal distance from previous prime (83788049) and next prime (83788063).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52275 + ... + 53853.

It is an arithmetic number, because the mean of its divisors is an integer number (2618850).

Almost surely, 2^83788056 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 83788056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125704800).

83788056 is an abundant number, since it is smaller than the sum of its proper divisors (167621544).

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

83788056 is a wasteful number, since it uses less digits than its factorization.

83788056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 83788056 is about 9153.5815941084. The cubic root of 83788056 is about 437.5832653491.

The spelling of 83788056 in words is "eighty-three million, seven hundred eighty-eight thousand, fifty-six".