378779357 has 8 divisors (see below), whose sum is σ = 413355360. Its totient is φ = 344226960.

The previous prime is 378779321. The next prime is 378779377. The reversal of 378779357 is 753977873.

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

It is not a de Polignac number, because 378779357 - 2¹⁶ = 378713821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378779377) 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, 55319 + ... + 61787.

It is an arithmetic number, because the mean of its divisors is an integer number (51669420).

Almost surely, 2^378779357 is an apocalyptic number.

It is an amenable number.

378779357 is a deficient number, since it is larger than the sum of its proper divisors (34576003).

378779357 is a wasteful number, since it uses less digits than its factorization.

378779357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11803.

The product of its digits is 7779240, while the sum is 56.

The square root of 378779357 is about 19462.2546741121. The cubic root of 378779357 is about 723.5392590917.

The spelling of 378779357 in words is "three hundred seventy-eight million, seven hundred seventy-nine thousand, three hundred fifty-seven".