83458733785438 has 8 divisors (see below), whose sum is σ = 136568837103480. Its totient is φ = 37935788084280.

The previous prime is 83458733785421. The next prime is 83458733785507.

83458733785438 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×83458733785438² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896789404193 + ... + 1896789404236.

It is an arithmetic number, because the mean of its divisors is an integer number (17071104637935).

Almost surely, 2^{83458733785438} is an apocalyptic number.

83458733785438 is a deficient number, since it is larger than the sum of its proper divisors (53110103318042).

83458733785438 is a wasteful number, since it uses less digits than its factorization.

83458733785438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793578808442.

The product of its digits is 6502809600, while the sum is 76.

The spelling of 83458733785438 in words is "eighty-three trillion, four hundred fifty-eight billion, seven hundred thirty-three million, seven hundred eighty-five thousand, four hundred thirty-eight".