3445577661 has 8 divisors (see below), whose sum is σ = 4691850624. Its totient is φ = 2248178240.

The previous prime is 3445577657. The next prime is 3445577687. The reversal of 3445577661 is 1667755443.

It is a happy number.

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 3445577661 - 2² = 3445577657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3445577661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445577621) 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, 12218220 + ... + 12218501.

It is an arithmetic number, because the mean of its divisors is an integer number (586481328).

Almost surely, 2^3445577661 is an apocalyptic number.

It is an amenable number.

3445577661 is a deficient number, since it is larger than the sum of its proper divisors (1246272963).

3445577661 is a wasteful number, since it uses less digits than its factorization.

3445577661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24436771.

The product of its digits is 2116800, while the sum is 48.

The square root of 3445577661 is about 58699.0431012295. The cubic root of 3445577661 is about 1510.3839003135.

The spelling of 3445577661 in words is "three billion, four hundred forty-five million, five hundred seventy-seven thousand, six hundred sixty-one".