7477877332117 has 2 divisors, whose sum is σ = 7477877332118. Its totient is φ = 7477877332116.

The previous prime is 7477877332103. The next prime is 7477877332147. The reversal of 7477877332117 is 7112337787747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4252211043921 + 3225666288196 = 2062089^2 + 1796014^2 .

It is a cyclic number.

It is not a de Polignac number, because 7477877332117 - 2³¹ = 7475729848469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7477877332147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3738938666058 + 3738938666059.

It is an arithmetic number, because the mean of its divisors is an integer number (3738938666059).

Almost surely, 2^{7477877332117} is an apocalyptic number.

It is an amenable number.

7477877332117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7477877332117 is an equidigital number, since it uses as much as digits as its factorization.

7477877332117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67765824, while the sum is 64.

The spelling of 7477877332117 in words is "seven trillion, four hundred seventy-seven billion, eight hundred seventy-seven million, three hundred thirty-two thousand, one hundred seventeen".