276941997 has 16 divisors (see below), whose sum is σ = 415352960. Its totient is φ = 184626540.

The previous prime is 276941989. The next prime is 276941999. The reversal of 276941997 is 799149672.

It is not a de Polignac number, because 276941997 - 2³ = 276941989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276941999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61129 + ... + 65502.

It is an arithmetic number, because the mean of its divisors is an integer number (25959560).

Almost surely, 2^276941997 is an apocalyptic number.

276941997 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

276941997 is a deficient number, since it is larger than the sum of its proper divisors (138410963).

276941997 is an frugal number, since it uses more digits than its factorization.

276941997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126652 (or 126634 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 54.

The square root of 276941997 is about 16641.5743546096. The cubic root of 276941997 is about 651.8228885550.

The spelling of 276941997 in words is "two hundred seventy-six million, nine hundred forty-one thousand, nine hundred ninety-seven".