276740348977 has 4 divisors (see below), whose sum is σ = 276746008176. Its totient is φ = 276734689780.

The previous prime is 276740348921. The next prime is 276740349029. The reversal of 276740348977 is 779843047672.

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-276740348977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276740348377) 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, 2755603 + ... + 2854264.

It is an arithmetic number, because the mean of its divisors is an integer number (69186502044).

Almost surely, 2^276740348977 is an apocalyptic number.

It is an amenable number.

276740348977 is a deficient number, since it is larger than the sum of its proper divisors (5659199).

276740348977 is an equidigital number, since it uses as much as digits as its factorization.

276740348977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659198.

The product of its (nonzero) digits is 99574272, while the sum is 64.

The spelling of 276740348977 in words is "two hundred seventy-six billion, seven hundred forty million, three hundred forty-eight thousand, nine hundred seventy-seven".