617277270772 has 6 divisors (see below), whose sum is σ = 1080235223858. Its totient is φ = 308638635384.

The previous prime is 617277270769. The next prime is 617277270773. The reversal of 617277270772 is 277072772716.

It can be written as a sum of positive squares in only one way, i.e., 541395753616 + 75881517156 = 735796^2 + 275466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617277270773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77159658843 + ... + 77159658850.

Almost surely, 2^617277270772 is an apocalyptic number.

It is an amenable number.

617277270772 is a deficient number, since it is larger than the sum of its proper divisors (462957953086).

617277270772 is a wasteful number, since it uses less digits than its factorization.

617277270772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154319317697 (or 154319317695 counting only the distinct ones).

The product of its (nonzero) digits is 5647152, while the sum is 55.

The spelling of 617277270772 in words is "six hundred seventeen billion, two hundred seventy-seven million, two hundred seventy thousand, seven hundred seventy-two".