2617886881244 has 24 divisors (see below), whose sum is σ = 4583215988736. Its totient is φ = 1308396726000.

The previous prime is 2617886881243. The next prime is 2617886881249. The reversal of 2617886881244 is 4421886887162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2617886881243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134027759 + ... + 134047289.

It is an arithmetic number, because the mean of its divisors is an integer number (190967332864).

Almost surely, 2^{2617886881244} is an apocalyptic number.

It is an amenable number.

2617886881244 is a deficient number, since it is larger than the sum of its proper divisors (1965329107492).

2617886881244 is a wasteful number, since it uses less digits than its factorization.

2617886881244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31817 (or 31815 counting only the distinct ones).

The product of its digits is 66060288, while the sum is 65.

The spelling of 2617886881244 in words is "two trillion, six hundred seventeen billion, eight hundred eighty-six million, eight hundred eighty-one thousand, two hundred forty-four".