867626253 has 12 divisors (see below), whose sum is σ = 1349641020. Its totient is φ = 533923776.

The previous prime is 867626239. The next prime is 867626257. The reversal of 867626253 is 352626768.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 346965129 + 520661124 = 18627^2 + 22818^2 .

It is not a de Polignac number, because 867626253 - 2⁴ = 867626237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 867626199 and 867626208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867626257) 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, 3707688 + ... + 3707921.

It is an arithmetic number, because the mean of its divisors is an integer number (112470085).

Almost surely, 2^867626253 is an apocalyptic number.

It is an amenable number.

867626253 is a deficient number, since it is larger than the sum of its proper divisors (482014767).

867626253 is a wasteful number, since it uses less digits than its factorization.

867626253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415628 (or 7415625 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 867626253 is about 29455.4961424859. The cubic root of 867626253 is about 953.7712523299.

The spelling of 867626253 in words is "eight hundred sixty-seven million, six hundred twenty-six thousand, two hundred fifty-three".