378405245787 has 8 divisors (see below), whose sum is σ = 504546625104. Its totient is φ = 252267015168.

The previous prime is 378405245783. The next prime is 378405245789. The reversal of 378405245787 is 787542504873.

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

It is not a de Polignac number, because 378405245787 - 2² = 378405245783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378405245787.

It is not an unprimeable number, because it can be changed into a prime (378405245783) 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, 490818 + ... + 998855.

It is an arithmetic number, because the mean of its divisors is an integer number (63068328138).

Almost surely, 2^378405245787 is an apocalyptic number.

378405245787 is a deficient number, since it is larger than the sum of its proper divisors (126141379317).

378405245787 is a wasteful number, since it uses less digits than its factorization.

378405245787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574349.

The product of its (nonzero) digits is 52684800, while the sum is 60.

The spelling of 378405245787 in words is "three hundred seventy-eight billion, four hundred five million, two hundred forty-five thousand, seven hundred eighty-seven".