67277765413 has 4 divisors (see below), whose sum is σ = 67305127680. Its totient is φ = 67250403148.

The previous prime is 67277765411. The next prime is 67277765479. The reversal of 67277765413 is 31456777276.

67277765413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 67277765413 - 2¹ = 67277765411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67277765411) 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, 13677445 + ... + 13682362.

It is an arithmetic number, because the mean of its divisors is an integer number (16826281920).

Almost surely, 2^67277765413 is an apocalyptic number.

It is an amenable number.

67277765413 is a deficient number, since it is larger than the sum of its proper divisors (27362267).

67277765413 is a wasteful number, since it uses less digits than its factorization.

67277765413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27362266.

The product of its digits is 10372320, while the sum is 55.

The spelling of 67277765413 in words is "sixty-seven billion, two hundred seventy-seven million, seven hundred sixty-five thousand, four hundred thirteen".