1026888555 has 32 divisors (see below), whose sum is σ = 2048444928. Its totient is φ = 426758400.

The previous prime is 1026888529. The next prime is 1026888557. The reversal of 1026888555 is 5558886201.

It is not a de Polignac number, because 1026888555 - 2¹⁵ = 1026855787 is a prime.

It is a super-3 number, since 3×1026888555³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026888557) 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 31 ways as a sum of consecutive naturals, for example, 443386 + ... + 445695.

It is an arithmetic number, because the mean of its divisors is an integer number (64013904).

Almost surely, 2^1026888555 is an apocalyptic number.

1026888555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1026888555 is a deficient number, since it is larger than the sum of its proper divisors (1021556373).

1026888555 is a wasteful number, since it uses less digits than its factorization.

1026888555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889107.

The product of its (nonzero) digits is 768000, while the sum is 48.

The square root of 1026888555 is about 32045.1018878081. The cubic root of 1026888555 is about 1008.8836978779.

The spelling of 1026888555 in words is "one billion, twenty-six million, eight hundred eighty-eight thousand, five hundred fifty-five".