79289328650 has 48 divisors (see below), whose sum is σ = 168575710464. Its totient is φ = 27180194880.

The previous prime is 79289328611. The next prime is 79289328689. The reversal of 79289328650 is 5682398297.

It is an interprime number because it is at equal distance from previous prime (79289328611) and next prime (79289328689).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 79289328650.

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 23 ways as a sum of consecutive naturals, for example, 2438399 + ... + 2470701.

It is an arithmetic number, because the mean of its divisors is an integer number (3511993968).

Almost surely, 2^79289328650 is an apocalyptic number.

79289328650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79289328650 is an abundant number, since it is smaller than the sum of its proper divisors (89286381814).

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

79289328650 is a wasteful number, since it uses less digits than its factorization.

79289328650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39335 (or 39330 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 79289328650 in words is "seventy-nine billion, two hundred eighty-nine million, three hundred twenty-eight thousand, six hundred fifty".