276028101 has 16 divisors (see below), whose sum is σ = 409203520. Its totient is φ = 183895920.

The previous prime is 276028097. The next prime is 276028117. The reversal of 276028101 is 101820672.

It is not a de Polignac number, because 276028101 - 2² = 276028097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276028171) 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, 57666 + ... + 62268.

It is an arithmetic number, because the mean of its divisors is an integer number (25575220).

Almost surely, 2^276028101 is an apocalyptic number.

It is an amenable number.

276028101 is a deficient number, since it is larger than the sum of its proper divisors (133175419).

276028101 is a wasteful number, since it uses less digits than its factorization.

276028101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6833 (or 6827 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 276028101 is about 16614.0934450243. The cubic root of 276028101 is about 651.1051031221.

Adding to 276028101 its reverse (101820672), we get a palindrome (377848773).

The spelling of 276028101 in words is "two hundred seventy-six million, twenty-eight thousand, one hundred one".