106420469777 has 2 divisors, whose sum is σ = 106420469778. Its totient is φ = 106420469776.

The previous prime is 106420469747. The next prime is 106420469789. The reversal of 106420469777 is 777964024601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90362764816 + 16057704961 = 300604^2 + 126719^2 .

It is a cyclic number.

It is not a de Polignac number, because 106420469777 - 2²⁴ = 106403692561 is a prime.

It is a super-2 number, since 2×106420469777² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106420469747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53210234888 + 53210234889.

It is an arithmetic number, because the mean of its divisors is an integer number (53210234889).

Almost surely, 2^106420469777 is an apocalyptic number.

It is an amenable number.

106420469777 is a deficient number, since it is larger than the sum of its proper divisors (1).

106420469777 is an equidigital number, since it uses as much as digits as its factorization.

106420469777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 106420469777 in words is "one hundred six billion, four hundred twenty million, four hundred sixty-nine thousand, seven hundred seventy-seven".