83420258 has 16 divisors (see below), whose sum is σ = 135574560. Its totient is φ = 38342976.

The previous prime is 83420257. The next prime is 83420261. The reversal of 83420258 is 85202438.

It is not an unprimeable number, because it can be changed into a prime (83420257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27068 + ... + 29991.

It is an arithmetic number, because the mean of its divisors is an integer number (8473410).

Almost surely, 2^83420258 is an apocalyptic number.

83420258 is a deficient number, since it is larger than the sum of its proper divisors (52154302).

83420258 is a wasteful number, since it uses less digits than its factorization.

83420258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57121.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 83420258 is about 9133.4691109129. The cubic root of 83420258 is about 436.9420509747.

The spelling of 83420258 in words is "eighty-three million, four hundred twenty thousand, two hundred fifty-eight".