83706765 has 32 divisors (see below), whose sum is σ = 140520960. Its totient is φ = 42499584.

The previous prime is 83706757. The next prime is 83706803. The reversal of 83706765 is 56760738.

It is not a de Polignac number, because 83706765 - 2³ = 83706757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24481 + ... + 27689.

It is an arithmetic number, because the mean of its divisors is an integer number (4391280).

Almost surely, 2^83706765 is an apocalyptic number.

It is an amenable number.

83706765 is a deficient number, since it is larger than the sum of its proper divisors (56814195).

83706765 is a wasteful number, since it uses less digits than its factorization.

83706765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 83706765 is about 9149.1401235307. The cubic root of 83706765 is about 437.4417054302.

The spelling of 83706765 in words is "eighty-three million, seven hundred six thousand, seven hundred sixty-five".