581077638982 has 8 divisors (see below), whose sum is σ = 871674108552. Its totient is φ = 290519602800.

The previous prime is 581077638941. The next prime is 581077639003. The reversal of 581077638982 is 289836770185.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9570519 + ... + 9631042.

It is an arithmetic number, because the mean of its divisors is an integer number (108959263569).

Almost surely, 2^581077638982 is an apocalyptic number.

581077638982 is a deficient number, since it is larger than the sum of its proper divisors (290596469570).

581077638982 is a wasteful number, since it uses less digits than its factorization.

581077638982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216694.

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 581077638982 in words is "five hundred eighty-one billion, seventy-seven million, six hundred thirty-eight thousand, nine hundred eighty-two".