1078641873 has 16 divisors (see below), whose sum is σ = 1612652800. Its totient is φ = 712495440.

The previous prime is 1078641859. The next prime is 1078641887. The reversal of 1078641873 is 3781468701.

It is an interprime number because it is at equal distance from previous prime (1078641859) and next prime (1078641887).

It is not a de Polignac number, because 1078641873 - 2⁸ = 1078641617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1078641173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180313 + ... + 186198.

It is an arithmetic number, because the mean of its divisors is an integer number (100790800).

Almost surely, 2^1078641873 is an apocalyptic number.

It is an amenable number.

1078641873 is a deficient number, since it is larger than the sum of its proper divisors (534010927).

1078641873 is a wasteful number, since it uses less digits than its factorization.

1078641873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366629 (or 366623 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 1078641873 is about 32842.6837058119. The cubic root of 1078641873 is about 1025.5553201060. Note that the first 3 decimals are identical.

The spelling of 1078641873 in words is "one billion, seventy-eight million, six hundred forty-one thousand, eight hundred seventy-three".