611678456227 has 4 divisors (see below), whose sum is σ = 618551247960. Its totient is φ = 604805664496.

The previous prime is 611678456173. The next prime is 611678456231. The reversal of 611678456227 is 722654876116.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 611678456227 - 2²⁷ = 611544238499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611678456287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3436395733 + ... + 3436395910.

It is an arithmetic number, because the mean of its divisors is an integer number (154637811990).

Almost surely, 2^611678456227 is an apocalyptic number.

611678456227 is a deficient number, since it is larger than the sum of its proper divisors (6872791733).

611678456227 is an equidigital number, since it uses as much as digits as its factorization.

611678456227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872791732.

The product of its digits is 6773760, while the sum is 55.

The spelling of 611678456227 in words is "six hundred eleven billion, six hundred seventy-eight million, four hundred fifty-six thousand, two hundred twenty-seven".