83369856 has 64 divisors (see below), whose sum is σ = 222768000. Its totient is φ = 27624960.

The previous prime is 83369831. The next prime is 83369879. The reversal of 83369856 is 65896338.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 75871 + ... + 76961.

It is an arithmetic number, because the mean of its divisors is an integer number (3480750).

Almost surely, 2^83369856 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 83369856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111384000).

83369856 is an abundant number, since it is smaller than the sum of its proper divisors (139398144).

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

83369856 is a wasteful number, since it uses less digits than its factorization.

83369856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307 (or 1295 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 83369856 is about 9130.7095014572. The cubic root of 83369856 is about 436.8540340245.

The spelling of 83369856 in words is "eighty-three million, three hundred sixty-nine thousand, eight hundred fifty-six".