83425580 has 96 divisors (see below), whose sum is σ = 213964800. Its totient is φ = 26687232.

The previous prime is 83425567. The next prime is 83425583. The reversal of 83425580 is 8552438.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 83425580.

It is not an unprimeable number, because it can be changed into a prime (83425583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209942 + ... + 210338.

It is an arithmetic number, because the mean of its divisors is an integer number (2228800).

Almost surely, 2^83425580 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 83425580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106982400).

83425580 is an abundant number, since it is smaller than the sum of its proper divisors (130539220).

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

83425580 is a wasteful number, since it uses less digits than its factorization.

83425580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 83425580 is about 9133.7604523000. The cubic root of 83425580 is about 436.9513427071.

The spelling of 83425580 in words is "eighty-three million, four hundred twenty-five thousand, five hundred eighty".