1087432916 has 24 divisors (see below), whose sum is σ = 1987157760. Its totient is φ = 519707232.

The previous prime is 1087432901. The next prime is 1087432943. The reversal of 1087432916 is 6192347801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161285 + ... + 167891.

It is an arithmetic number, because the mean of its divisors is an integer number (82798240).

Almost surely, 2^1087432916 is an apocalyptic number.

It is an amenable number.

1087432916 is a deficient number, since it is larger than the sum of its proper divisors (899724844).

1087432916 is a wasteful number, since it uses less digits than its factorization.

1087432916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423 (or 8421 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1087432916 is about 32976.2477550130. The cubic root of 1087432916 is about 1028.3339124817. Note that the first 3 decimals are identical.

The spelling of 1087432916 in words is "one billion, eighty-seven million, four hundred thirty-two thousand, nine hundred sixteen".