275742952869807 has 20 divisors (see below), whose sum is σ = 411913089024360. Its totient is φ = 183828288614544.

The previous prime is 275742952869779. The next prime is 275742952869809. The reversal of 275742952869807 is 708968259247572.

275742952869807 is a `hidden beast` number, since 2 + 7 + 5 + 7 + 4 + 2 + 9 + 528 + 6 + 9 + 80 + 7 = 666.

It is not a de Polignac number, because 275742952869807 - 2³² = 275738657902511 is a prime.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275742952869809) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44332573 + ... + 50168345.

It is an arithmetic number, because the mean of its divisors is an integer number (20595654451218).

Almost surely, 2^{275742952869807} is an apocalyptic number.

275742952869807 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

275742952869807 is a deficient number, since it is larger than the sum of its proper divisors (136170136154553).

275742952869807 is an equidigital number, since it uses as much as digits as its factorization.

275742952869807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419124 (or 6419115 counting only the distinct ones).

The product of its (nonzero) digits is 8534937600, while the sum is 81.

The spelling of 275742952869807 in words is "two hundred seventy-five trillion, seven hundred forty-two billion, nine hundred fifty-two million, eight hundred sixty-nine thousand, eight hundred seven".