1088787198 has 8 divisors (see below), whose sum is σ = 2177574408. Its totient is φ = 362929064.

The previous prime is 1088787181. The next prime is 1088787241. The reversal of 1088787198 is 8917878801.

1088787198 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1088787198 is an admirable number.

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, 90732261 + ... + 90732272.

It is an arithmetic number, because the mean of its divisors is an integer number (272196801).

Almost surely, 2^1088787198 is an apocalyptic number.

1088787198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1088787198 is a wasteful number, since it uses less digits than its factorization.

1088787198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181464538.

The product of its (nonzero) digits is 1806336, while the sum is 57.

The square root of 1088787198 is about 32996.7755697432. The cubic root of 1088787198 is about 1028.7606288804.

The spelling of 1088787198 in words is "one billion, eighty-eight million, seven hundred eighty-seven thousand, one hundred ninety-eight".