67577023752377 has 4 divisors (see below), whose sum is σ = 67579504489716. Its totient is φ = 67574543015040.

The previous prime is 67577023752367. The next prime is 67577023752379. The reversal of 67577023752377 is 77325732077576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55408535703481 + 12168488048896 = 7443691^2 + 3488336^2 .

It is a cyclic number.

It is not a de Polignac number, because 67577023752377 - 2²⁸ = 67576755316921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67577023752379) 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, 1240327808 + ... + 1240382289.

It is an arithmetic number, because the mean of its divisors is an integer number (16894876122429).

Almost surely, 2^{67577023752377} is an apocalyptic number.

It is an amenable number.

67577023752377 is a deficient number, since it is larger than the sum of its proper divisors (2480737339).

67577023752377 is a wasteful number, since it uses less digits than its factorization.

67577023752377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480737338.

The product of its (nonzero) digits is 635304600, while the sum is 68.

The spelling of 67577023752377 in words is "sixty-seven trillion, five hundred seventy-seven billion, twenty-three million, seven hundred fifty-two thousand, three hundred seventy-seven".