275580138977 has 24 divisors (see below), whose sum is σ = 335307685440. Its totient is φ = 223281616320.

The previous prime is 275580138961. The next prime is 275580139007. The reversal of 275580138977 is 779831085572.

It is not a de Polignac number, because 275580138977 - 2⁴ = 275580138961 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (275580138907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025477 + ... + 1266002.

It is an arithmetic number, because the mean of its divisors is an integer number (13971153560).

Almost surely, 2^275580138977 is an apocalyptic number.

It is an amenable number.

275580138977 is a deficient number, since it is larger than the sum of its proper divisors (59727546463).

275580138977 is a wasteful number, since it uses less digits than its factorization.

275580138977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291561 (or 2291532 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 62.

The spelling of 275580138977 in words is "two hundred seventy-five billion, five hundred eighty million, one hundred thirty-eight thousand, nine hundred seventy-seven".