1368471678 has 64 divisors (see below), whose sum is σ = 3392782848. Its totient is φ = 359009280.

The previous prime is 1368471673. The next prime is 1368471701. The reversal of 1368471678 is 8761748631.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1368471678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368471673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5901 + ... + 52647.

It is an arithmetic number, because the mean of its divisors is an integer number (53012232).

Almost surely, 2^1368471678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368471678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696391424).

1368471678 is an abundant number, since it is smaller than the sum of its proper divisors (2024311170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368471678 is a wasteful number, since it uses less digits than its factorization.

1368471678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46817.

The product of its digits is 1354752, while the sum is 51.

The square root of 1368471678 is about 36992.8598245661. The cubic root of 1368471678 is about 1110.2273911222.

The spelling of 1368471678 in words is "one billion, three hundred sixty-eight million, four hundred seventy-one thousand, six hundred seventy-eight".