6698761867 has 8 divisors (see below), whose sum is σ = 7657055712. Its totient is φ = 5740800000.

The previous prime is 6698761859. The next prime is 6698761877. The reversal of 6698761867 is 7681678966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6698761867 - 2³ = 6698761859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6698761799 and 6698761808.

It is not an unprimeable number, because it can be changed into a prime (6698761807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38134 + ... + 121867.

It is an arithmetic number, because the mean of its divisors is an integer number (957131964).

Almost surely, 2^6698761867 is an apocalyptic number.

6698761867 is a deficient number, since it is larger than the sum of its proper divisors (958293845).

6698761867 is a wasteful number, since it uses less digits than its factorization.

6698761867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165989.

The product of its digits is 36578304, while the sum is 64.

The square root of 6698761867 is about 81845.9642682521. The cubic root of 6698761867 is about 1885.0874978557.

The spelling of 6698761867 in words is "six billion, six hundred ninety-eight million, seven hundred sixty-one thousand, eight hundred sixty-seven".