83266765 has 16 divisors (see below), whose sum is σ = 106013232. Its totient is φ = 62567424.

The previous prime is 83266753. The next prime is 83266783. The reversal of 83266765 is 56766238.

It can be written as a sum of positive squares in 8 ways, for example, as 37636 + 83229129 = 194^2 + 9123^2 .

It is a cyclic number.

It is not a de Polignac number, because 83266765 - 2⁷ = 83266637 is a prime.

It is a Duffinian number.

Its product of digits (362880) is a multiple of the sum of its prime divisors (2016).

It is a congruent number.

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, 73987 + ... + 75103.

It is an arithmetic number, because the mean of its divisors is an integer number (6625827).

Almost surely, 2^83266765 is an apocalyptic number.

83266765 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83266765 is a deficient number, since it is larger than the sum of its proper divisors (22746467).

83266765 is a wasteful number, since it uses less digits than its factorization.

83266765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its digits is 362880, while the sum is 43.

The square root of 83266765 is about 9125.0624655396. The cubic root of 83266765 is about 436.6738957942.

The spelling of 83266765 in words is "eighty-three million, two hundred sixty-six thousand, seven hundred sixty-five".