1087891414 has 8 divisors (see below), whose sum is σ = 1637904240. Its totient is φ = 541923336.

The previous prime is 1087891403. The next prime is 1087891447. The reversal of 1087891414 is 4141987801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010514 + ... + 1011589.

It is an arithmetic number, because the mean of its divisors is an integer number (204738030).

Almost surely, 2^1087891414 is an apocalyptic number.

1087891414 is a deficient number, since it is larger than the sum of its proper divisors (550012826).

1087891414 is a wasteful number, since it uses less digits than its factorization.

1087891414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022374.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 1087891414 is about 32983.1989655340. The cubic root of 1087891414 is about 1028.4784188035.

The spelling of 1087891414 in words is "one billion, eighty-seven million, eight hundred ninety-one thousand, four hundred fourteen".