83054045643438 has 16 divisors (see below), whose sum is σ = 166109315729616. Its totient is φ = 27684477807360.

The previous prime is 83054045643427. The next prime is 83054045643449. The reversal of 83054045643438 is 83434654045038.

It is an interprime number because it is at equal distance from previous prime (83054045643427) and next prime (83054045643449).

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, 50135481 + ... + 51765572.

It is an arithmetic number, because the mean of its divisors is an integer number (10381832233101).

Almost surely, 2^{83054045643438} is an apocalyptic number.

83054045643438 is an abundant number, since it is smaller than the sum of its proper divisors (83055270086178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83054045643438 is a wasteful number, since it uses less digits than its factorization.

83054045643438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102036899.

The product of its (nonzero) digits is 66355200, while the sum is 57.

The spelling of 83054045643438 in words is "eighty-three trillion, fifty-four billion, forty-five million, six hundred forty-three thousand, four hundred thirty-eight".