1087856167 has 8 divisors (see below), whose sum is σ = 1100768400. Its totient is φ = 1074959424.

The previous prime is 1087856137. The next prime is 1087856173. The reversal of 1087856167 is 7616587801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087856167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087856167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087856137) 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, 199248 + ... + 204634.

It is an arithmetic number, because the mean of its divisors is an integer number (137596050).

Almost surely, 2^1087856167 is an apocalyptic number.

1087856167 is a deficient number, since it is larger than the sum of its proper divisors (12912233).

1087856167 is an equidigital number, since it uses as much as digits as its factorization.

1087856167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 1087856167 is about 32982.6646437185. The cubic root of 1087856167 is about 1028.4673113315.

The spelling of 1087856167 in words is "one billion, eighty-seven million, eight hundred fifty-six thousand, one hundred sixty-seven".