275377732705247 has 4 divisors (see below), whose sum is σ = 275398334030256. Its totient is φ = 275357131380240.

The previous prime is 275377732705147. The next prime is 275377732705249. The reversal of 275377732705247 is 742507237773572.

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

It is a cyclic number.

It is not a de Polignac number, because 275377732705247 - 2¹⁰ = 275377732704223 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 (275377732705249) 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, 10300642454 + ... + 10300669187.

It is an arithmetic number, because the mean of its divisors is an integer number (68849583507564).

Almost surely, 2^{275377732705247} is an apocalyptic number.

275377732705247 is a deficient number, since it is larger than the sum of its proper divisors (20601325009).

275377732705247 is a wasteful number, since it uses less digits than its factorization.

275377732705247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20601325008.

The product of its (nonzero) digits is 847072800, while the sum is 68.

The spelling of 275377732705247 in words is "two hundred seventy-five trillion, three hundred seventy-seven billion, seven hundred thirty-two million, seven hundred five thousand, two hundred forty-seven".