867253469 has 12 divisors (see below), whose sum is σ = 894114900. Its totient is φ = 841087104.

The previous prime is 867253463. The next prime is 867253493. The reversal of 867253469 is 964352768.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 51294244 + 815959225 = 7162^2 + 28565^2 .

It is a de Polignac number, because none of the positive numbers 2^k-867253469 is a prime.

It is a super-2 number, since 2×867253469² = 1504257158985067922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867253463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248267 + ... + 251735.

It is an arithmetic number, because the mean of its divisors is an integer number (74509575).

Almost surely, 2^867253469 is an apocalyptic number.

867253469 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

867253469 is a deficient number, since it is larger than the sum of its proper divisors (26861431).

867253469 is an equidigital number, since it uses as much as digits as its factorization.

867253469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3611 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The square root of 867253469 is about 29449.1675434128. The cubic root of 867253469 is about 953.6346337512.

It can be divided in two parts, 86725 and 3469, that multiplied together give a square (300849025 = 17345²).

The spelling of 867253469 in words is "eight hundred sixty-seven million, two hundred fifty-three thousand, four hundred sixty-nine".