1028678167 has 8 divisors (see below), whose sum is σ = 1129080960. Its totient is φ = 929423160.

The previous prime is 1028678153. The next prime is 1028678173. The reversal of 1028678167 is 7618768201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028678167 - 2¹¹ = 1028676119 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 (1028678117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285067 + ... + 288652.

It is an arithmetic number, because the mean of its divisors is an integer number (141135120).

Almost surely, 2^1028678167 is an apocalyptic number.

1028678167 is a deficient number, since it is larger than the sum of its proper divisors (100402793).

1028678167 is a wasteful number, since it uses less digits than its factorization.

1028678167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573893.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 1028678167 is about 32073.0130639452. The cubic root of 1028678167 is about 1009.4694357446.

It can be divided in two parts, 1028 and 678167, that added together give a triangular number (679195 = T₁₁₆₅).

The spelling of 1028678167 in words is "one billion, twenty-eight million, six hundred seventy-eight thousand, one hundred sixty-seven".