1089244487 has 8 divisors (see below), whose sum is σ = 1108173120. Its totient is φ = 1070350560.

The previous prime is 1089244447. The next prime is 1089244493. The reversal of 1089244487 is 7844429801.

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

It is a cyclic number.

It is not a de Polignac number, because 1089244487 - 2¹² = 1089240391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089244447) 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, 59189 + ... + 75377.

It is an arithmetic number, because the mean of its divisors is an integer number (138521640).

Almost surely, 2^1089244487 is an apocalyptic number.

1089244487 is a deficient number, since it is larger than the sum of its proper divisors (18928633).

1089244487 is a wasteful number, since it uses less digits than its factorization.

1089244487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 1089244487 is about 33003.7041405961. The cubic root of 1089244487 is about 1028.9046346984.

The spelling of 1089244487 in words is "one billion, eighty-nine million, two hundred forty-four thousand, four hundred eighty-seven".