1087899229 has 4 divisors (see below), whose sum is σ = 1088056476. Its totient is φ = 1087741984.

The previous prime is 1087899227. The next prime is 1087899259. The reversal of 1087899229 is 9229987801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 600152004 + 487747225 = 24498^2 + 22085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1087899229 - 2¹ = 1087899227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087899229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087899221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67744 + ... + 82249.

It is an arithmetic number, because the mean of its divisors is an integer number (272014119).

Almost surely, 2^1087899229 is an apocalyptic number.

It is an amenable number.

1087899229 is a deficient number, since it is larger than the sum of its proper divisors (157247).

1087899229 is an equidigital number, since it uses as much as digits as its factorization.

1087899229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157246.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 1087899229 is about 32983.3174347275. The cubic root of 1087899229 is about 1028.4808815308.

The spelling of 1087899229 in words is "one billion, eighty-seven million, eight hundred ninety-nine thousand, two hundred twenty-nine".