83307700 has 72 divisors (see below), whose sum is σ = 210097664. Its totient is φ = 28080000.

The previous prime is 83307689. The next prime is 83307703. The reversal of 83307700 is 770338.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83307703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41725 + ... + 43675.

Almost surely, 2^83307700 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 83307700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105048832).

83307700 is an abundant number, since it is smaller than the sum of its proper divisors (126789964).

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

83307700 is a wasteful number, since it uses less digits than its factorization.

83307700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 83307700 is about 9127.3051882798. The cubic root of 83307700 is about 436.7454422169.

The spelling of 83307700 in words is "eighty-three million, three hundred seven thousand, seven hundred".