83250066 has 64 divisors (see below), whose sum is σ = 179159040. Its totient is φ = 25745280.

The previous prime is 83250061. The next prime is 83250067. The reversal of 83250066 is 66005238.

It is not an unprimeable number, because it can be changed into a prime (83250061) 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, 777985 + ... + 778091.

It is an arithmetic number, because the mean of its divisors is an integer number (2799360).

Almost surely, 2^83250066 is an apocalyptic number.

83250066 is an abundant number, since it is smaller than the sum of its proper divisors (95908974).

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

83250066 is a wasteful number, since it uses less digits than its factorization.

83250066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 83250066 is about 9124.1474122243. The cubic root of 83250066 is about 436.6447024543.

The spelling of 83250066 in words is "eighty-three million, two hundred fifty thousand, sixty-six".