82705958 has 4 divisors (see below), whose sum is σ = 124058940. Its totient is φ = 41352978.

The previous prime is 82705957. The next prime is 82705967. The reversal of 82705958 is 85950728.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82705957) 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 as a sum of consecutive naturals, namely, 20676488 + ... + 20676491.

It is an arithmetic number, because the mean of its divisors is an integer number (31014735).

Almost surely, 2^82705958 is an apocalyptic number.

82705958 is a deficient number, since it is larger than the sum of its proper divisors (41352982).

82705958 is a wasteful number, since it uses less digits than its factorization.

82705958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41352981.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 82705958 is about 9094.2816098909. The cubic root of 82705958 is about 435.6913444058.

The spelling of 82705958 in words is "eighty-two million, seven hundred five thousand, nine hundred fifty-eight".