1087867667 has 16 divisors (see below), whose sum is σ = 1163289600. Its totient is φ = 1014386400.

The previous prime is 1087867663. The next prime is 1087867679. The reversal of 1087867667 is 7667687801.

It is a cyclic number.

It is not a de Polignac number, because 1087867667 - 2² = 1087867663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087867661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341918 + ... + 345084.

It is an arithmetic number, because the mean of its divisors is an integer number (72705600).

Almost surely, 2^1087867667 is an apocalyptic number.

1087867667 is a deficient number, since it is larger than the sum of its proper divisors (75421933).

1087867667 is a wasteful number, since it uses less digits than its factorization.

1087867667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 4741632, while the sum is 56.

The square root of 1087867667 is about 32982.8389772621. The cubic root of 1087867667 is about 1028.4709353806.

The spelling of 1087867667 in words is "one billion, eighty-seven million, eight hundred sixty-seven thousand, six hundred sixty-seven".