85276469 has 2 divisors, whose sum is σ = 85276470. Its totient is φ = 85276468.

The previous prime is 85276463. The next prime is 85276489. The reversal of 85276469 is 96467258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81685444 + 3591025 = 9038^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 85276469 - 2¹² = 85272373 is a prime.

It is a super-2 number, since 2×85276469² = 14544152330215922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85276463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42638234 + 42638235.

It is an arithmetic number, because the mean of its divisors is an integer number (42638235).

Almost surely, 2^85276469 is an apocalyptic number.

It is an amenable number.

85276469 is a deficient number, since it is larger than the sum of its proper divisors (1).

85276469 is an equidigital number, since it uses as much as digits as its factorization.

85276469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 85276469 is about 9234.5259217786. The cubic root of 85276469 is about 440.1591521370.

The spelling of 85276469 in words is "eighty-five million, two hundred seventy-six thousand, four hundred sixty-nine".