3997008136580 has 192 divisors, whose sum is σ = 9140918169600. Its totient is φ = 1464319633920.

The previous prime is 3997008136579. The next prime is 3997008136607. The reversal of 3997008136580 is 856318007993.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 199930385 + ... + 199950375.

It is an arithmetic number, because the mean of its divisors is an integer number (47608948800).

Almost surely, 2^{3997008136580} 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 3997008136580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4570459084800).

3997008136580 is an abundant number, since it is smaller than the sum of its proper divisors (5143910033020).

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

3997008136580 is a wasteful number, since it uses less digits than its factorization.

3997008136580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20274 (or 20272 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 3997008136580 in words is "three trillion, nine hundred ninety-seven billion, eight million, one hundred thirty-six thousand, five hundred eighty".