1078890655 has 16 divisors (see below), whose sum is σ = 1307375424. Its totient is φ = 854680320.

The previous prime is 1078890649. The next prime is 1078890679. The reversal of 1078890655 is 5560988701.

It is not a de Polignac number, because 1078890655 - 2¹¹ = 1078888607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1078890599 and 1078890608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243510 + ... + 247900.

It is an arithmetic number, because the mean of its divisors is an integer number (81710964).

Almost surely, 2^1078890655 is an apocalyptic number.

1078890655 is a deficient number, since it is larger than the sum of its proper divisors (228484769).

1078890655 is a wasteful number, since it uses less digits than its factorization.

1078890655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866.

The product of its (nonzero) digits is 604800, while the sum is 49.

The square root of 1078890655 is about 32846.4709672135. The cubic root of 1078890655 is about 1025.6341600179.

The spelling of 1078890655 in words is "one billion, seventy-eight million, eight hundred ninety thousand, six hundred fifty-five".