1087531226587 has 8 divisors (see below), whose sum is σ = 1174449840480. Its totient is φ = 1001078664960.

The previous prime is 1087531226569. The next prime is 1087531226641. The reversal of 1087531226587 is 7856221357801.

It is a happy number.

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-1087531226587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087531226087) 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, 116508214 + ... + 116517547.

It is an arithmetic number, because the mean of its divisors is an integer number (146806230060).

Almost surely, 2^{1087531226587} is an apocalyptic number.

1087531226587 is a deficient number, since it is larger than the sum of its proper divisors (86918613893).

1087531226587 is a wasteful number, since it uses less digits than its factorization.

1087531226587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233026133.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 1087531226587 in words is "one trillion, eighty-seven billion, five hundred thirty-one million, two hundred twenty-six thousand, five hundred eighty-seven".