83775946 has 4 divisors (see below), whose sum is σ = 125663922. Its totient is φ = 41887972.

The previous prime is 83775943. The next prime is 83775947. The reversal of 83775946 is 64957738.

It is a happy number.

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., 83010321 + 765625 = 9111^2 + 875^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 83775946.

It is not an unprimeable number, because it can be changed into a prime (83775943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20943985 + ... + 20943988.

Almost surely, 2^83775946 is an apocalyptic number.

83775946 is a deficient number, since it is larger than the sum of its proper divisors (41887976).

83775946 is a wasteful number, since it uses less digits than its factorization.

83775946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41887975.

The product of its digits is 1270080, while the sum is 49.

The square root of 83775946 is about 9152.9200804989. The cubic root of 83775946 is about 437.5621828349.

The spelling of 83775946 in words is "eighty-three million, seven hundred seventy-five thousand, nine hundred forty-six".