3775666777 has 8 divisors (see below), whose sum is σ = 3816101120. Its totient is φ = 3735305280.

The previous prime is 3775666751. The next prime is 3775666787. The reversal of 3775666777 is 7776665773.

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 3775666777 - 2¹¹ = 3775664729 is a prime.

It is a super-2 number, since 2×3775666777² = 28511319221883135458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3775666717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89377 + ... + 124657.

It is an arithmetic number, because the mean of its divisors is an integer number (477012640).

Almost surely, 2^3775666777 is an apocalyptic number.

It is an amenable number.

3775666777 is a deficient number, since it is larger than the sum of its proper divisors (40434343).

3775666777 is a wasteful number, since it uses less digits than its factorization.

3775666777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36423.

The product of its digits is 54454680, while the sum is 61.

The square root of 3775666777 is about 61446.4545519105. The cubic root of 3775666777 is about 1557.1527586478.

The spelling of 3775666777 in words is "three billion, seven hundred seventy-five million, six hundred sixty-six thousand, seven hundred seventy-seven".