83047765 has 16 divisors (see below), whose sum is σ = 105307200. Its totient is φ = 62698752.

The previous prime is 83047753. The next prime is 83047781. The reversal of 83047765 is 56774038.

It is a cyclic number.

It is not a de Polignac number, because 83047765 - 2⁹ = 83047253 is a prime.

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, 25341 + ... + 28429.

It is an arithmetic number, because the mean of its divisors is an integer number (6581700).

Almost surely, 2^83047765 is an apocalyptic number.

It is an amenable number.

83047765 is a deficient number, since it is larger than the sum of its proper divisors (22259435).

83047765 is a wasteful number, since it uses less digits than its factorization.

83047765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 83047765 is about 9113.0546470434. The cubic root of 83047765 is about 436.2907275272.

The spelling of 83047765 in words is "eighty-three million, forty-seven thousand, seven hundred sixty-five".