61277116610277 has 6 divisors (see below), whose sum is σ = 88511390659302. Its totient is φ = 40851411073512.

The previous prime is 61277116610273. The next prime is 61277116610293. The reversal of 61277116610277 is 77201661177216.

61277116610277 is a `hidden beast` number, since 6 + 1 + 2 + 7 + 7 + 1 + 16 + 610 + 2 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57559928754276 + 3717187856001 = 7586826^2 + 1928001^2 .

It is not a de Polignac number, because 61277116610277 - 2² = 61277116610273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61277116610273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3404284256118 + ... + 3404284256135.

It is an arithmetic number, because the mean of its divisors is an integer number (14751898443217).

Almost surely, 2^{61277116610277} is an apocalyptic number.

It is an amenable number.

61277116610277 is a deficient number, since it is larger than the sum of its proper divisors (27234274049025).

61277116610277 is a wasteful number, since it uses less digits than its factorization.

61277116610277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808568512259 (or 6808568512256 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 61277116610277 in words is "sixty-one trillion, two hundred seventy-seven billion, one hundred sixteen million, six hundred ten thousand, two hundred seventy-seven".