6781677467701 has 4 divisors (see below), whose sum is σ = 6788057221792. Its totient is φ = 6775297713612.

The previous prime is 6781677467689. The next prime is 6781677467729. The reversal of 6781677467701 is 1077647761876.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6781677467701 - 2⁹ = 6781677467189 is a prime.

It is a super-2 number, since 2×6781677467701² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6781677461701) 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, 3189875451 + ... + 3189877576.

It is an arithmetic number, because the mean of its divisors is an integer number (1697014305448).

Almost surely, 2^{6781677467701} is an apocalyptic number.

It is an amenable number.

6781677467701 is a deficient number, since it is larger than the sum of its proper divisors (6379754091).

6781677467701 is a wasteful number, since it uses less digits than its factorization.

6781677467701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379754090.

The product of its (nonzero) digits is 116169984, while the sum is 67.

The spelling of 6781677467701 in words is "six trillion, seven hundred eighty-one billion, six hundred seventy-seven million, four hundred sixty-seven thousand, seven hundred one".