83773906 has 16 divisors (see below), whose sum is σ = 129879288. Its totient is φ = 40499200.

The previous prime is 83773903. The next prime is 83773913. The reversal of 83773906 is 60937738.

It can be written as a sum of positive squares in 4 ways, for example, as 53071225 + 30702681 = 7285^2 + 5541^2 .

It is not an unprimeable number, because it can be changed into a prime (83773903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4746 + ... + 13786.

Almost surely, 2^83773906 is an apocalyptic number.

83773906 is a deficient number, since it is larger than the sum of its proper divisors (46105382).

83773906 is a wasteful number, since it uses less digits than its factorization.

83773906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 83773906 is about 9152.8086399749. The cubic root of 83773906 is about 437.5586311627.

The spelling of 83773906 in words is "eighty-three million, seven hundred seventy-three thousand, nine hundred six".