420877715005417 has 2 divisors, whose sum is σ = 420877715005418. Its totient is φ = 420877715005416.

The previous prime is 420877715005399. The next prime is 420877715005441. The reversal of 420877715005417 is 714500517778024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298086405902041 + 122791309103376 = 17265179^2 + 11081124^2 .

It is a cyclic number.

It is not a de Polignac number, because 420877715005417 - 2⁷ = 420877715005289 is a prime.

It is not a weakly prime, because it can be changed into another prime (420877715005487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210438857502708 + 210438857502709.

It is an arithmetic number, because the mean of its divisors is an integer number (210438857502709).

Almost surely, 2^{420877715005417} is an apocalyptic number.

It is an amenable number.

420877715005417 is a deficient number, since it is larger than the sum of its proper divisors (1).

420877715005417 is an equidigital number, since it uses as much as digits as its factorization.

420877715005417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15366400, while the sum is 58.

The spelling of 420877715005417 in words is "four hundred twenty trillion, eight hundred seventy-seven billion, seven hundred fifteen million, five thousand, four hundred seventeen".