1087386544 has 10 divisors (see below), whose sum is σ = 2106811460. Its totient is φ = 543693264.

The previous prime is 1087386541. The next prime is 1087386557. The reversal of 1087386544 is 4456837801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1087386494 and 1087386503.

It is not an unprimeable number, because it can be changed into a prime (1087386541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33980814 + ... + 33980845.

It is an arithmetic number, because the mean of its divisors is an integer number (210681146).

Almost surely, 2^1087386544 is an apocalyptic number.

It is an amenable number.

1087386544 is a deficient number, since it is larger than the sum of its proper divisors (1019424916).

1087386544 is an equidigital number, since it uses as much as digits as its factorization.

1087386544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67961667 (or 67961661 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 1087386544 is about 32975.5446353809. The cubic root of 1087386544 is about 1028.3192950044.

The spelling of 1087386544 in words is "one billion, eighty-seven million, three hundred eighty-six thousand, five hundred forty-four".