378698771 has 8 divisors (see below), whose sum is σ = 413298288. Its totient is φ = 344128000.

The previous prime is 378698743. The next prime is 378698773. The reversal of 378698771 is 177896873.

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

It is a cyclic number.

It is not a de Polignac number, because 378698771 - 2⁶ = 378698707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378698773) 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, 27791 + ... + 39111.

It is an arithmetic number, because the mean of its divisors is an integer number (51662286).

Almost surely, 2^378698771 is an apocalyptic number.

378698771 is a deficient number, since it is larger than the sum of its proper divisors (34599517).

378698771 is a wasteful number, since it uses less digits than its factorization.

378698771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14373.

The product of its digits is 3556224, while the sum is 56.

The square root of 378698771 is about 19460.1842488708. The cubic root of 378698771 is about 723.4879440194.

The spelling of 378698771 in words is "three hundred seventy-eight million, six hundred ninety-eight thousand, seven hundred seventy-one".