1087899228 has 48 divisors (see below), whose sum is σ = 3037443360. Its totient is φ = 334737792.

The previous prime is 1087899227. The next prime is 1087899259. The reversal of 1087899228 is 8229987801.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386025 + ... + 388832.

It is an arithmetic number, because the mean of its divisors is an integer number (63280070).

Almost surely, 2^1087899228 is an apocalyptic number.

1087899228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1087899228 is an abundant number, since it is smaller than the sum of its proper divisors (1949544132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087899228 is a wasteful number, since it uses less digits than its factorization.

1087899228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774883 (or 774875 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 1087899228 is about 32983.3174195683. The cubic root of 1087899228 is about 1028.4808812157.

The spelling of 1087899228 in words is "one billion, eighty-seven million, eight hundred ninety-nine thousand, two hundred twenty-eight".