6775664402 has 8 divisors (see below), whose sum is σ = 10945304076. Its totient is φ = 3127229712.

The previous prime is 6775664351. The next prime is 6775664407. The reversal of 6775664402 is 2044665776.

It can be written as a sum of positive squares in 2 ways, for example, as 6566022961 + 209641441 = 81031^2 + 14479^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6775664407) 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, 130301213 + ... + 130301264.

Almost surely, 2^6775664402 is an apocalyptic number.

6775664402 is a deficient number, since it is larger than the sum of its proper divisors (4169639674).

6775664402 is a wasteful number, since it uses less digits than its factorization.

6775664402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260602492.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The square root of 6775664402 is about 82314.4240215529. The cubic root of 6775664402 is about 1892.2737397195.

The spelling of 6775664402 in words is "six billion, seven hundred seventy-five million, six hundred sixty-four thousand, four hundred two".