274884487 has 2 divisors, whose sum is σ = 274884488. Its totient is φ = 274884486.

The previous prime is 274884479. The next prime is 274884499. The reversal of 274884487 is 784488472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 274884487 - 2³ = 274884479 is a prime.

It is a super-2 number, since 2×274884487² = 151122962386506338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274884427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137442243 + 137442244.

It is an arithmetic number, because the mean of its divisors is an integer number (137442244).

Almost surely, 2^274884487 is an apocalyptic number.

274884487 is a deficient number, since it is larger than the sum of its proper divisors (1).

274884487 is an equidigital number, since it uses as much as digits as its factorization.

274884487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3211264, while the sum is 52.

The square root of 274884487 is about 16579.6407379653. The cubic root of 274884487 is about 650.2046590257.

The spelling of 274884487 in words is "two hundred seventy-four million, eight hundred eighty-four thousand, four hundred eighty-seven".