1678411263 has 8 divisors (see below), whose sum is σ = 2240199808. Its totient is φ = 1117781784.

The previous prime is 1678411253. The next prime is 1678411271. The reversal of 1678411263 is 3621148761.

1678411263 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1678411263 - 2⁴ = 1678411247 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 (1678411253) 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, 286381 + ... + 292182.

It is an arithmetic number, because the mean of its divisors is an integer number (280024976).

Almost surely, 2^1678411263 is an apocalyptic number.

1678411263 is a deficient number, since it is larger than the sum of its proper divisors (561788545).

1678411263 is an equidigital number, since it uses as much as digits as its factorization.

1678411263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579533.

The product of its digits is 48384, while the sum is 39.

The square root of 1678411263 is about 40968.4178727956. The cubic root of 1678411263 is about 1188.4095370973.

The spelling of 1678411263 in words is "one billion, six hundred seventy-eight million, four hundred eleven thousand, two hundred sixty-three".