51277376097 has 18 divisors (see below), whose sum is σ = 78428506338. Its totient is φ = 32172282432.

The previous prime is 51277376041. The next prime is 51277376113. The reversal of 51277376097 is 79067377215.

51277376097 is a `hidden beast` number, since 5 + 1 + 27 + 7 + 3 + 7 + 609 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48261059856 + 3016316241 = 219684^2 + 54921^2 .

It is not a de Polignac number, because 51277376097 - 2⁷ = 51277375969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51277377097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2791818 + ... + 2810124.

It is an arithmetic number, because the mean of its divisors is an integer number (4357139241).

Almost surely, 2^51277376097 is an apocalyptic number.

It is an amenable number.

51277376097 is a deficient number, since it is larger than the sum of its proper divisors (27151130241).

51277376097 is an frugal number, since it uses more digits than its factorization.

51277376097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36637 (or 18327 counting only the distinct ones).

The product of its (nonzero) digits is 3889620, while the sum is 54.

The spelling of 51277376097 in words is "fifty-one billion, two hundred seventy-seven million, three hundred seventy-six thousand, ninety-seven".