276145053678 has 48 divisors (see below), whose sum is σ = 658047813696. Its totient is φ = 83159881920.

The previous prime is 276145053671. The next prime is 276145053683. The reversal of 276145053678 is 876350541672.

276145053678 is a `hidden beast` number, since 2 + 7 + 61 + 4 + 505 + 3 + 6 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276145053671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12543333 + ... + 12565328.

It is an arithmetic number, because the mean of its divisors is an integer number (13709329452).

Almost surely, 2^276145053678 is an apocalyptic number.

276145053678 is an abundant number, since it is smaller than the sum of its proper divisors (381902760018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276145053678 is a wasteful number, since it uses less digits than its factorization.

276145053678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25108729 (or 25108726 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 276145053678 in words is "two hundred seventy-six billion, one hundred forty-five million, fifty-three thousand, six hundred seventy-eight".