83458185456 has 80 divisors (see below), whose sum is σ = 223416950400. Its totient is φ = 26814084864.

The previous prime is 83458185451. The next prime is 83458185491. The reversal of 83458185456 is 65458185438.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 83458185396 and 83458185405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83458185451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766035 + ... + 868173.

It is an arithmetic number, because the mean of its divisors is an integer number (2792711880).

Almost surely, 2^83458185456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83458185456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111708475200).

83458185456 is an abundant number, since it is smaller than the sum of its proper divisors (139958764944).

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

83458185456 is a wasteful number, since it uses less digits than its factorization.

83458185456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102766 (or 102760 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 57.

The spelling of 83458185456 in words is "eighty-three billion, four hundred fifty-eight million, one hundred eighty-five thousand, four hundred fifty-six".