79193128950 has 768 divisors, whose sum is σ = 262895673600. Its totient is φ = 17557585920.

The previous prime is 79193128907. The next prime is 79193128991. The reversal of 79193128950 is 5982139197.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 700824094 + ... + 700824206.

It is an arithmetic number, because the mean of its divisors is an integer number (342312075).

Almost surely, 2^79193128950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79193128950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131447836800).

79193128950 is an abundant number, since it is smaller than the sum of its proper divisors (183702544650).

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

79193128950 is a wasteful number, since it uses less digits than its factorization.

79193128950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The spelling of 79193128950 in words is "seventy-nine billion, one hundred ninety-three million, one hundred twenty-eight thousand, nine hundred fifty".