83872266 has 32 divisors (see below), whose sum is σ = 172860480. Its totient is φ = 27110016.

The previous prime is 83872259. The next prime is 83872301. The reversal of 83872266 is 66227838.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103270 + ... + 104078.

It is an arithmetic number, because the mean of its divisors is an integer number (5401890).

Almost surely, 2^83872266 is an apocalyptic number.

83872266 is an abundant number, since it is smaller than the sum of its proper divisors (88988214).

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

83872266 is a wasteful number, since it uses less digits than its factorization.

83872266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318.

The product of its digits is 193536, while the sum is 42.

The square root of 83872266 is about 9158.1802777626. The cubic root of 83872266 is about 437.7298118881.

The spelling of 83872266 in words is "eighty-three million, eight hundred seventy-two thousand, two hundred sixty-six".