1087447294 has 4 divisors (see below), whose sum is σ = 1631170944. Its totient is φ = 543723646.

The previous prime is 1087447271. The next prime is 1087447297. The reversal of 1087447294 is 4927447801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4927447801 = 443 ⋅11122907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087447297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271861822 + ... + 271861825.

It is an arithmetic number, because the mean of its divisors is an integer number (407792736).

Almost surely, 2^1087447294 is an apocalyptic number.

1087447294 is a deficient number, since it is larger than the sum of its proper divisors (543723650).

1087447294 is an equidigital number, since it uses as much as digits as its factorization.

1087447294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543723649.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1087447294 is about 32976.4657596899. The cubic root of 1087447294 is about 1028.3384446601.

The spelling of 1087447294 in words is "one billion, eighty-seven million, four hundred forty-seven thousand, two hundred ninety-four".