378779763 has 8 divisors (see below), whose sum is σ = 531620800. Its totient is φ = 239229288.

The previous prime is 378779761. The next prime is 378779773. The reversal of 378779763 is 367977873.

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

It is not a de Polignac number, because 378779763 - 2¹ = 378779761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57), and also a Moran number because the ratio is a prime number: 6645259 = 378779763 / (3 + 7 + 8 + 7 + 7 + 9 + 7 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378779761) 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, 3322573 + ... + 3322686.

It is an arithmetic number, because the mean of its divisors is an integer number (66452600).

Almost surely, 2^378779763 is an apocalyptic number.

378779763 is a deficient number, since it is larger than the sum of its proper divisors (152841037).

378779763 is a wasteful number, since it uses less digits than its factorization.

378779763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645281.

The product of its digits is 9335088, while the sum is 57.

The square root of 378779763 is about 19462.2651045555. The cubic root of 378779763 is about 723.5395176035.

The spelling of 378779763 in words is "three hundred seventy-eight million, seven hundred seventy-nine thousand, seven hundred sixty-three".