275479797 has 4 divisors (see below), whose sum is σ = 367306400. Its totient is φ = 183653196.

The previous prime is 275479759. The next prime is 275479807. The reversal of 275479797 is 797974572.

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 not a de Polignac number, because 275479797 - 2¹⁰ = 275478773 is a prime.

It is a super-2 number, since 2×275479797² = 151778237110322418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275479397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45913297 + ... + 45913302.

It is an arithmetic number, because the mean of its divisors is an integer number (91826600).

Almost surely, 2^275479797 is an apocalyptic number.

It is an amenable number.

275479797 is a deficient number, since it is larger than the sum of its proper divisors (91826603).

275479797 is an equidigital number, since it uses as much as digits as its factorization.

275479797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91826602.

The product of its digits is 7779240, while the sum is 57.

The square root of 275479797 is about 16597.5840711834. The cubic root of 275479797 is about 650.6736975549.

The spelling of 275479797 in words is "two hundred seventy-five million, four hundred seventy-nine thousand, seven hundred ninety-seven".