6612677771771 has 4 divisors (see below), whose sum is σ = 6612747458544. Its totient is φ = 6612608085000.

The previous prime is 6612677771767. The next prime is 6612677771839. The reversal of 6612677771771 is 1771777762166.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6612677771771 - 2² = 6612677771767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6612677771698 and 6612677771707.

It is not an unprimeable number, because it can be changed into a prime (6612677774771) 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, 34700855 + ... + 34890896.

It is an arithmetic number, because the mean of its divisors is an integer number (1653186864636).

Almost surely, 2^{6612677771771} is an apocalyptic number.

6612677771771 is a deficient number, since it is larger than the sum of its proper divisors (69686773).

6612677771771 is an equidigital number, since it uses as much as digits as its factorization.

6612677771771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69686772.

The product of its digits is 50824368, while the sum is 65.

The spelling of 6612677771771 in words is "six trillion, six hundred twelve billion, six hundred seventy-seven million, seven hundred seventy-one thousand, seven hundred seventy-one".