1087468781 has 8 divisors (see below), whose sum is σ = 1308233280. Its totient is φ = 883057248.

The previous prime is 1087468771. The next prime is 1087468793. The reversal of 1087468781 is 1878647801.

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

It is a cyclic number.

It is not a de Polignac number, because 1087468781 - 2¹⁰ = 1087467757 is a prime.

It is a super-2 number, since 2×1087468781² = 2365176699299251922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087468741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4088096 + ... + 4088361.

It is an arithmetic number, because the mean of its divisors is an integer number (163529160).

Almost surely, 2^1087468781 is an apocalyptic number.

It is an amenable number.

1087468781 is a deficient number, since it is larger than the sum of its proper divisors (220764499).

1087468781 is an equidigital number, since it uses as much as digits as its factorization.

1087468781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176483.

The product of its (nonzero) digits is 602112, while the sum is 50.

The square root of 1087468781 is about 32976.7915510287. The cubic root of 1087468781 is about 1028.3452176359.

The spelling of 1087468781 in words is "one billion, eighty-seven million, four hundred sixty-eight thousand, seven hundred eighty-one".