1088777887 has 16 divisors (see below), whose sum is σ = 1165129920. Its totient is φ = 1015103232.

The previous prime is 1088777867. The next prime is 1088777891. The reversal of 1088777887 is 7887778801.

It is a cyclic number.

It is not a de Polignac number, because 1088777887 - 2¹¹ = 1088775839 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 (1088777857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188539 + ... + 194227.

It is an arithmetic number, because the mean of its divisors is an integer number (72820620).

Almost surely, 2^1088777887 is an apocalyptic number.

1088777887 is a deficient number, since it is larger than the sum of its proper divisors (76352033).

1088777887 is a wasteful number, since it uses less digits than its factorization.

1088777887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its (nonzero) digits is 9834496, while the sum is 61.

The square root of 1088777887 is about 32996.6344798981. The cubic root of 1088777887 is about 1028.7576963155.

The spelling of 1088777887 in words is "one billion, eighty-eight million, seven hundred seventy-seven thousand, eight hundred eighty-seven".