1379878368 has 96 divisors (see below), whose sum is σ = 3982970880. Its totient is φ = 414812160.

The previous prime is 1379878361. The next prime is 1379878393. The reversal of 1379878368 is 8638789731.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379878361) 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, 128968 + ... + 139256.

It is an arithmetic number, because the mean of its divisors is an integer number (41489280).

Almost surely, 2^1379878368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379878368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991485440).

1379878368 is an abundant number, since it is smaller than the sum of its proper divisors (2603092512).

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

1379878368 is a wasteful number, since it uses less digits than its factorization.

1379878368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440 (or 10432 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The square root of 1379878368 is about 37146.7140942507. The cubic root of 1379878368 is about 1113.3035710627.

The spelling of 1379878368 in words is "one billion, three hundred seventy-nine million, eight hundred seventy-eight thousand, three hundred sixty-eight".