3247120664077 has 4 divisors (see below), whose sum is σ = 3418021751680. Its totient is φ = 3076219576476.

The previous prime is 3247120664017. The next prime is 3247120664093. The reversal of 3247120664077 is 7704660217423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3247120664077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3247120664077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247120664017) 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, 85450543773 + ... + 85450543810.

It is an arithmetic number, because the mean of its divisors is an integer number (854505437920).

Almost surely, 2^{3247120664077} is an apocalyptic number.

It is an amenable number.

3247120664077 is a deficient number, since it is larger than the sum of its proper divisors (170901087603).

3247120664077 is a wasteful number, since it uses less digits than its factorization.

3247120664077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170901087602.

The product of its (nonzero) digits is 2370816, while the sum is 49.

The spelling of 3247120664077 in words is "three trillion, two hundred forty-seven billion, one hundred twenty million, six hundred sixty-four thousand, seventy-seven".