771235323876401 has 2 divisors, whose sum is σ = 771235323876402. Its totient is φ = 771235323876400.

The previous prime is 771235323876377. The next prime is 771235323876427. The reversal of 771235323876401 is 104678323532177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762552878209600 + 8682445666801 = 27614360^2 + 2946599^2 .

It is an emirp because it is prime and its reverse (104678323532177) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 771235323876401 - 2⁴² = 766837277365297 is a prime.

It is not a weakly prime, because it can be changed into another prime (771235323876301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385617661938200 + 385617661938201.

It is an arithmetic number, because the mean of its divisors is an integer number (385617661938201).

Almost surely, 2^{771235323876401} is an apocalyptic number.

It is an amenable number.

771235323876401 is a deficient number, since it is larger than the sum of its proper divisors (1).

771235323876401 is an equidigital number, since it uses as much as digits as its factorization.

771235323876401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35562240, while the sum is 59.

The spelling of 771235323876401 in words is "seven hundred seventy-one trillion, two hundred thirty-five billion, three hundred twenty-three million, eight hundred seventy-six thousand, four hundred one".