83730655 has 16 divisors (see below), whose sum is σ = 102587904. Its totient is φ = 65590560.

The previous prime is 83730653. The next prime is 83730671. The reversal of 83730655 is 55603738.

It is not a de Polignac number, because 83730655 - 2¹ = 83730653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83730653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57142 + ... + 58588.

It is an arithmetic number, because the mean of its divisors is an integer number (6411744).

Almost surely, 2^83730655 is an apocalyptic number.

83730655 is a deficient number, since it is larger than the sum of its proper divisors (18857249).

83730655 is a wasteful number, since it uses less digits than its factorization.

83730655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 83730655 is about 9150.4456175642. The cubic root of 83730655 is about 437.4833169149.

The spelling of 83730655 in words is "eighty-three million, seven hundred thirty thousand, six hundred fifty-five".