1067878555 has 16 divisors (see below), whose sum is σ = 1324265184. Its totient is φ = 826156800.

The previous prime is 1067878549. The next prime is 1067878561. The reversal of 1067878555 is 5558787601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1067878549) and next prime (1067878561).

It is not a de Polignac number, because 1067878555 - 2⁹ = 1067878043 is a prime.

It is a super-2 number, since 2×1067878555² = 2280729216457776050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 2874 + ... + 46303.

It is an arithmetic number, because the mean of its divisors is an integer number (82766574).

Almost surely, 2^1067878555 is an apocalyptic number.

1067878555 is a deficient number, since it is larger than the sum of its proper divisors (256386629).

1067878555 is a wasteful number, since it uses less digits than its factorization.

1067878555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49326.

The product of its (nonzero) digits is 2352000, while the sum is 52.

The square root of 1067878555 is about 32678.4111455866. The cubic root of 1067878555 is about 1022.1327140151.

The spelling of 1067878555 in words is "one billion, sixty-seven million, eight hundred seventy-eight thousand, five hundred fifty-five".