867173409252 has 24 divisors (see below), whose sum is σ = 2248227357600. Its totient is φ = 289057803048.

The previous prime is 867173409247. The next prime is 867173409257. The reversal of 867173409252 is 252904371768.

It is a happy number.

867173409252 is a `hidden beast` number, since 8 + 67 + 173 + 409 + 2 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (867173409247) and next prime (867173409257).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (867173409257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4014691602 + ... + 4014691817.

It is an arithmetic number, because the mean of its divisors is an integer number (93676139900).

It is a 1-persistent number, because it is pandigital, but 2⋅867173409252 = 1734346818504 is not.

Almost surely, 2^867173409252 is an apocalyptic number.

It is an amenable number.

867173409252 is an abundant number, since it is smaller than the sum of its proper divisors (1381053948348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867173409252 is a wasteful number, since it uses less digits than its factorization.

867173409252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8029383432 (or 8029383424 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 867173409252 in words is "eight hundred sixty-seven billion, one hundred seventy-three million, four hundred nine thousand, two hundred fifty-two".