15797206580 has 12 divisors (see below), whose sum is σ = 33174133860. Its totient is φ = 6318882624.

The previous prime is 15797206489. The next prime is 15797206583. The reversal of 15797206580 is 8560279751.

It can be written as a sum of positive squares in 2 ways, for example, as 6122123536 + 9675083044 = 78244^2 + 98362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15797206583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394930145 + ... + 394930184.

It is an arithmetic number, because the mean of its divisors is an integer number (2764511155).

Almost surely, 2^15797206580 is an apocalyptic number.

15797206580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15797206580 is an abundant number, since it is smaller than the sum of its proper divisors (17376927280).

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

15797206580 is a wasteful number, since it uses less digits than its factorization.

15797206580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789860338 (or 789860336 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 15797206580 in words is "fifteen billion, seven hundred ninety-seven million, two hundred six thousand, five hundred eighty".