83158400 has 96 divisors (see below), whose sum is σ = 221340000. Its totient is φ = 30689280.

The previous prime is 83158379. The next prime is 83158403. The reversal of 83158400 is 485138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83158403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40601 + ... + 42599.

It is an arithmetic number, because the mean of its divisors is an integer number (2305625).

Almost surely, 2^83158400 is an apocalyptic number.

83158400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83158400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110670000).

83158400 is an abundant number, since it is smaller than the sum of its proper divisors (138181600).

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

83158400 is a wasteful number, since it uses less digits than its factorization.

83158400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 83158400 is about 9119.1227648278. The cubic root of 83158400 is about 436.4843815689.

The spelling of 83158400 in words is "eighty-three million, one hundred fifty-eight thousand, four hundred".