1678676011 has 16 divisors (see below), whose sum is σ = 1815897600. Its totient is φ = 1546661088.

The previous prime is 1678676003. The next prime is 1678676039. The reversal of 1678676011 is 1106768761.

It is a cyclic number.

It is not a de Polignac number, because 1678676011 - 2³ = 1678676003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1678676711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190965 + ... + 199561.

It is an arithmetic number, because the mean of its divisors is an integer number (113493600).

Almost surely, 2^1678676011 is an apocalyptic number.

1678676011 is a deficient number, since it is larger than the sum of its proper divisors (137221589).

1678676011 is a wasteful number, since it uses less digits than its factorization.

1678676011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 1678676011 is about 40971.6488684554. The cubic root of 1678676011 is about 1188.4720193016.

The spelling of 1678676011 in words is "one billion, six hundred seventy-eight million, six hundred seventy-six thousand, eleven".