378230452679 has 16 divisors (see below), whose sum is σ = 395519195136. Its totient is φ = 361348970400.

The previous prime is 378230452661. The next prime is 378230452711. The reversal of 378230452679 is 976254032873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378230452679 is a prime.

It is a super-2 number, since 2×378230452679² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378230452609) 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, 525674 + ... + 1016264.

It is an arithmetic number, because the mean of its divisors is an integer number (24719949696).

Almost surely, 2^378230452679 is an apocalyptic number.

378230452679 is a deficient number, since it is larger than the sum of its proper divisors (17288742457).

378230452679 is a wasteful number, since it uses less digits than its factorization.

378230452679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491006.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 378230452679 in words is "three hundred seventy-eight billion, two hundred thirty million, four hundred fifty-two thousand, six hundred seventy-nine".