79458546544 has 80 divisors (see below), whose sum is σ = 167311291392. Its totient is φ = 36338724864.

The previous prime is 79458546529. The next prime is 79458546547. The reversal of 79458546544 is 44564585497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79458546547) 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 15 ways as a sum of consecutive naturals, for example, 12504072 + ... + 12510424.

Almost surely, 2^79458546544 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 79458546544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83655645696).

79458546544 is an abundant number, since it is smaller than the sum of its proper divisors (87852744848).

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

79458546544 is a wasteful number, since it uses less digits than its factorization.

79458546544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914 (or 6908 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 61.

The spelling of 79458546544 in words is "seventy-nine billion, four hundred fifty-eight million, five hundred forty-six thousand, five hundred forty-four".