1087651967 has 4 divisors (see below), whose sum is σ = 1087720536. Its totient is φ = 1087583400.

The previous prime is 1087651927. The next prime is 1087652009. The reversal of 1087651967 is 7691567801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1087651967 - 2²² = 1083457663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087651927) 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 in 3 ways as a sum of consecutive naturals, for example, 3092 + ... + 46742.

It is an arithmetic number, because the mean of its divisors is an integer number (271930134).

Almost surely, 2^1087651967 is an apocalyptic number.

1087651967 is a deficient number, since it is larger than the sum of its proper divisors (68569).

1087651967 is an equidigital number, since it uses as much as digits as its factorization.

1087651967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68568.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1087651967 is about 32979.5689329015. The cubic root of 1087651967 is about 1028.4029565717.

The spelling of 1087651967 in words is "one billion, eighty-seven million, six hundred fifty-one thousand, nine hundred sixty-seven".