611667278339 has 16 divisors (see below), whose sum is σ = 687648032064. Its totient is φ = 539839977600.

The previous prime is 611667278311. The next prime is 611667278351. The reversal of 611667278339 is 933872766116.

611667278339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611667278339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611667278309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282329 + ... + 1141509.

It is an arithmetic number, because the mean of its divisors is an integer number (42978002004).

Almost surely, 2^611667278339 is an apocalyptic number.

611667278339 is a deficient number, since it is larger than the sum of its proper divisors (75980753725).

611667278339 is a wasteful number, since it uses less digits than its factorization.

611667278339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861598.

The product of its digits is 13716864, while the sum is 59.

The spelling of 611667278339 in words is "six hundred eleven billion, six hundred sixty-seven million, two hundred seventy-eight thousand, three hundred thirty-nine".