79653175680 has 512 divisors, whose sum is σ = 285055303680. Its totient is φ = 18785894400.

The previous prime is 79653175643. The next prime is 79653175727. The reversal of 79653175680 is 8657135697.

It is a self number, because there is not a number n which added to its sum of digits gives 79653175680.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 87434425 + ... + 87435335.

It is an arithmetic number, because the mean of its divisors is an integer number (556748640).

Almost surely, 2^79653175680 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 79653175680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142527651840).

79653175680 is an abundant number, since it is smaller than the sum of its proper divisors (205402128000).

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

79653175680 is a wasteful number, since it uses less digits than its factorization.

79653175680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 79653175680 in words is "seventy-nine billion, six hundred fifty-three million, one hundred seventy-five thousand, six hundred eighty".