83454344345438 has 16 divisors (see below), whose sum is σ = 136566513684720. Its totient is φ = 37932443078400.

The previous prime is 83454344345389. The next prime is 83454344345447.

It is a happy number.

83454344345438 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66857843 + ... + 68094638.

It is an arithmetic number, because the mean of its divisors is an integer number (8535407105295).

Almost surely, 2^{83454344345438} is an apocalyptic number.

83454344345438 is a deficient number, since it is larger than the sum of its proper divisors (53112169339282).

83454344345438 is a wasteful number, since it uses less digits than its factorization.

83454344345438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134980603.

The product of its digits is 530841600, while the sum is 62.

The spelling of 83454344345438 in words is "eighty-three trillion, four hundred fifty-four billion, three hundred forty-four million, three hundred forty-five thousand, four hundred thirty-eight".