79636510380 has 48 divisors (see below), whose sum is σ = 254836834560. Its totient is φ = 18202630848.

The previous prime is 79636510357. The next prime is 79636510381. The reversal of 79636510380 is 8301563697.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (79636510381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94804950 + ... + 94805789.

It is an arithmetic number, because the mean of its divisors is an integer number (5309100720).

Almost surely, 2^79636510380 is an apocalyptic number.

79636510380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79636510380 is an abundant number, since it is smaller than the sum of its proper divisors (175200324180).

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

79636510380 is a wasteful number, since it uses less digits than its factorization.

79636510380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189610758 (or 189610756 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 79636510380 in words is "seventy-nine billion, six hundred thirty-six million, five hundred ten thousand, three hundred eighty".