276090809102 has 4 divisors (see below), whose sum is σ = 414136213656. Its totient is φ = 138045404550.

The previous prime is 276090809089. The next prime is 276090809119. The reversal of 276090809102 is 201908090672.

It is a happy number.

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

It is a super-2 number, since 2×276090809102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69022702274 + ... + 69022702277.

It is an arithmetic number, because the mean of its divisors is an integer number (103534053414).

Almost surely, 2^276090809102 is an apocalyptic number.

276090809102 is a deficient number, since it is larger than the sum of its proper divisors (138045404554).

276090809102 is a wasteful number, since it uses less digits than its factorization.

276090809102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138045404553.

The product of its (nonzero) digits is 108864, while the sum is 44.

Adding to 276090809102 its reverse (201908090672), we get a palindrome (477998899774).

The spelling of 276090809102 in words is "two hundred seventy-six billion, ninety million, eight hundred nine thousand, one hundred two".