7700420269 has 2 divisors, whose sum is σ = 7700420270. Its totient is φ = 7700420268.

The previous prime is 7700420251. The next prime is 7700420281. The reversal of 7700420269 is 9620240077.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5831155044 + 1869265225 = 76362^2 + 43235^2 .

It is a cyclic number.

It is not a de Polignac number, because 7700420269 - 2¹³ = 7700412077 is a prime.

It is a super-2 number, since 2×7700420269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7700420209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3850210134 + 3850210135.

It is an arithmetic number, because the mean of its divisors is an integer number (3850210135).

Almost surely, 2^7700420269 is an apocalyptic number.

It is an amenable number.

7700420269 is a deficient number, since it is larger than the sum of its proper divisors (1).

7700420269 is an equidigital number, since it uses as much as digits as its factorization.

7700420269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 7700420269 is about 87752.0385461215. The cubic root of 7700420269 is about 1974.7167478416.

The spelling of 7700420269 in words is "seven billion, seven hundred million, four hundred twenty thousand, two hundred sixty-nine".