79084887648 has 576 divisors, whose sum is σ = 250219984896. Its totient is φ = 21684326400.

The previous prime is 79084887641. The next prime is 79084887649. The reversal of 79084887648 is 84678848097.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79084887641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1296473538 + ... + 1296473598.

It is an arithmetic number, because the mean of its divisors is an integer number (434409696).

Almost surely, 2^79084887648 is an apocalyptic number.

79084887648 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79084887648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125109992448).

79084887648 is an abundant number, since it is smaller than the sum of its proper divisors (171135097248).

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

79084887648 is a wasteful number, since it uses less digits than its factorization.

79084887648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 69.

The spelling of 79084887648 in words is "seventy-nine billion, eighty-four million, eight hundred eighty-seven thousand, six hundred forty-eight".