7700755669 has 8 divisors (see below), whose sum is σ = 7902274968. Its totient is φ = 7499888640.

The previous prime is 7700755631. The next prime is 7700755679. The reversal of 7700755669 is 9665570077.

It can be written as a sum of positive squares in 4 ways, for example, as 1497303025 + 6203452644 = 38695^2 + 78762^2 .

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 7700755669 - 2²⁵ = 7667201237 is a prime.

It is a super-2 number, since 2×7700755669² (a number of 21 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 (7700755679) 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, 139102 + ... + 186415.

It is an arithmetic number, because the mean of its divisors is an integer number (987784371).

Almost surely, 2^7700755669 is an apocalyptic number.

It is an amenable number.

7700755669 is a deficient number, since it is larger than the sum of its proper divisors (201519299).

7700755669 is a wasteful number, since it uses less digits than its factorization.

7700755669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326135.

The product of its (nonzero) digits is 2778300, while the sum is 52.

The square root of 7700755669 is about 87753.9495920269. The cubic root of 7700755669 is about 1974.7454177219.

The spelling of 7700755669 in words is "seven billion, seven hundred million, seven hundred fifty-five thousand, six hundred sixty-nine".