1067889487 has 12 divisors (see below), whose sum is σ = 1259739216. Its totient is φ = 902438880.

The previous prime is 1067889481. The next prime is 1067889497. The reversal of 1067889487 is 7849887601.

It is not a de Polignac number, because 1067889487 - 2¹⁹ = 1067365199 is a prime.

It is a super-2 number, since 2×1067889487² = 2280775912890246338, 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 (1067889481) 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, 149998 + ... + 156955.

It is an arithmetic number, because the mean of its divisors is an integer number (104978268).

Almost surely, 2^1067889487 is an apocalyptic number.

1067889487 is a deficient number, since it is larger than the sum of its proper divisors (191849729).

1067889487 is an equidigital number, since it uses as much as digits as its factorization.

1067889487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307038 (or 307031 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 58.

The square root of 1067889487 is about 32678.5784115527. The cubic root of 1067889487 is about 1022.1362019014.

The spelling of 1067889487 in words is "one billion, sixty-seven million, eight hundred eighty-nine thousand, four hundred eighty-seven".