477797337077 has 2 divisors, whose sum is σ = 477797337078. Its totient is φ = 477797337076.

The previous prime is 477797337037. The next prime is 477797337131. The reversal of 477797337077 is 770733797774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285028922161 + 192768414916 = 533881^2 + 439054^2 .

It is a cyclic number.

It is not a de Polignac number, because 477797337077 - 2¹⁰ = 477797336053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 477797336998 and 477797337016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477797337037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238898668538 + 238898668539.

It is an arithmetic number, because the mean of its divisors is an integer number (238898668539).

Almost surely, 2^477797337077 is an apocalyptic number.

It is an amenable number.

477797337077 is a deficient number, since it is larger than the sum of its proper divisors (1).

477797337077 is an equidigital number, since it uses as much as digits as its factorization.

477797337077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 266827932, while the sum is 68.

The spelling of 477797337077 in words is "four hundred seventy-seven billion, seven hundred ninety-seven million, three hundred thirty-seven thousand, seventy-seven".