1087457684 has 12 divisors (see below), whose sum is σ = 1920510900. Its totient is φ = 538740288.

The previous prime is 1087457677. The next prime is 1087457729. The reversal of 1087457684 is 4867547801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 901680784 + 185776900 = 30028^2 + 13630^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1246649 + ... + 1247520.

It is an arithmetic number, because the mean of its divisors is an integer number (160042575).

Almost surely, 2^1087457684 is an apocalyptic number.

It is an amenable number.

1087457684 is a deficient number, since it is larger than the sum of its proper divisors (833053216).

1087457684 is a wasteful number, since it uses less digits than its factorization.

1087457684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494282 (or 2494280 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 1087457684 is about 32976.6232959046. The cubic root of 1087457684 is about 1028.3417197315.

The spelling of 1087457684 in words is "one billion, eighty-seven million, four hundred fifty-seven thousand, six hundred eighty-four".