277340494 has 4 divisors (see below), whose sum is σ = 416010744. Its totient is φ = 138670246.

The previous prime is 277340491. The next prime is 277340507. The reversal of 277340494 is 494043772.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×277340494² = 153835499224328072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (277340491) 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, 69335122 + ... + 69335125.

It is an arithmetic number, because the mean of its divisors is an integer number (104002686).

Almost surely, 2^277340494 is an apocalyptic number.

277340494 is a deficient number, since it is larger than the sum of its proper divisors (138670250).

277340494 is a wasteful number, since it uses less digits than its factorization.

277340494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138670249.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 277340494 is about 16653.5429864038. The cubic root of 277340494 is about 652.1353787537.

The spelling of 277340494 in words is "two hundred seventy-seven million, three hundred forty thousand, four hundred ninety-four".