79752649782 has 64 divisors (see below), whose sum is σ = 177877131264. Its totient is φ = 23672545920.

The previous prime is 79752649771. The next prime is 79752649787. The reversal of 79752649782 is 28794625797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79752649787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714483 + ... + 818529.

It is an arithmetic number, because the mean of its divisors is an integer number (2779330176).

Almost surely, 2^79752649782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79752649782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88938565632).

79752649782 is an abundant number, since it is smaller than the sum of its proper divisors (98124481482).

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

79752649782 is a wasteful number, since it uses less digits than its factorization.

79752649782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104413.

The product of its digits is 106686720, while the sum is 66.

The spelling of 79752649782 in words is "seventy-nine billion, seven hundred fifty-two million, six hundred forty-nine thousand, seven hundred eighty-two".