611767027872 has 1152 divisors, whose sum is σ = 2392172310528. Its totient is φ = 143194521600.

The previous prime is 611767027813. The next prime is 611767027997. The reversal of 611767027872 is 278720767116.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3663275533 + ... + 3663275699.

It is an arithmetic number, because the mean of its divisors is an integer number (2076538464).

Almost surely, 2^611767027872 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 611767027872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196086155264).

611767027872 is an abundant number, since it is smaller than the sum of its proper divisors (1780405282656).

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

611767027872 is a wasteful number, since it uses less digits than its factorization.

611767027872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 54.

The spelling of 611767027872 in words is "six hundred eleven billion, seven hundred sixty-seven million, twenty-seven thousand, eight hundred seventy-two".