82164794 has 4 divisors (see below), whose sum is σ = 123247194. Its totient is φ = 41082396.

The previous prime is 82164773. The next prime is 82164799. The reversal of 82164794 is 49746128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48094225 + 34070569 = 6935^2 + 5837^2 .

It is not an unprimeable number, because it can be changed into a prime (82164799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20541197 + ... + 20541200.

Almost surely, 2^82164794 is an apocalyptic number.

82164794 is a deficient number, since it is larger than the sum of its proper divisors (41082400).

82164794 is a wasteful number, since it uses less digits than its factorization.

82164794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41082399.

The product of its digits is 96768, while the sum is 41.

The square root of 82164794 is about 9064.4797975394. The cubic root of 82164794 is about 434.7389881743.

The spelling of 82164794 in words is "eighty-two million, one hundred sixty-four thousand, seven hundred ninety-four".