7077955477977 has 6 divisors (see below), whose sum is σ = 10223713468202. Its totient is φ = 4718636985312.

The previous prime is 7077955477949. The next prime is 7077955478023. The reversal of 7077955477977 is 7797745597707.

7077955477977 is a `hidden beast` number, since 7 + 0 + 7 + 7 + 9 + 55 + 477 + 97 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4950642800016 + 2127312677961 = 2225004^2 + 1458531^2 .

It is not a de Polignac number, because 7077955477977 - 2¹⁶ = 7077955412441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7077955477896 and 7077955477905.

It is not an unprimeable number, because it can be changed into a prime (7077955472977) 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, 393219748768 + ... + 393219748785.

Almost surely, 2^{7077955477977} is an apocalyptic number.

It is an amenable number.

7077955477977 is a deficient number, since it is larger than the sum of its proper divisors (3145757990225).

7077955477977 is a wasteful number, since it uses less digits than its factorization.

7077955477977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786439497559 (or 786439497556 counting only the distinct ones).

The product of its (nonzero) digits is 6670698300, while the sum is 81.

The spelling of 7077955477977 in words is "seven trillion, seventy-seven billion, nine hundred fifty-five million, four hundred seventy-seven thousand, nine hundred seventy-seven".