1087526387 has 2 divisors, whose sum is σ = 1087526388. Its totient is φ = 1087526386.

The previous prime is 1087526357. The next prime is 1087526393. The reversal of 1087526387 is 7836257801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087526387 - 2²⁰ = 1086477811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1087526357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543763193 + 543763194.

It is an arithmetic number, because the mean of its divisors is an integer number (543763194).

Almost surely, 2^1087526387 is an apocalyptic number.

1087526387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087526387 is an equidigital number, since it uses as much as digits as its factorization.

1087526387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 1087526387 is about 32977.6649719170. The cubic root of 1087526387 is about 1028.3633753399.

The spelling of 1087526387 in words is "one billion, eighty-seven million, five hundred twenty-six thousand, three hundred eighty-seven".