276888636350138 has 8 divisors (see below), whose sum is σ = 415650730316832. Its totient is φ = 138338392911196.

The previous prime is 276888636350111. The next prime is 276888636350171. The reversal of 276888636350138 is 831053636888672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×276888636350138² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52962628670 + ... + 52962633897.

It is an arithmetic number, because the mean of its divisors is an integer number (51956341289604).

Almost surely, 2^{276888636350138} is an apocalyptic number.

276888636350138 is a deficient number, since it is larger than the sum of its proper divisors (138762093966694).

276888636350138 is a wasteful number, since it uses less digits than its factorization.

276888636350138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105925263876.

The product of its (nonzero) digits is 1672151040, while the sum is 74.

The spelling of 276888636350138 in words is "two hundred seventy-six trillion, eight hundred eighty-eight billion, six hundred thirty-six million, three hundred fifty thousand, one hundred thirty-eight".