378979835 has 8 divisors (see below), whose sum is σ = 489758640. Its totient is φ = 279861984.

The previous prime is 378979819. The next prime is 378979841. The reversal of 378979835 is 538979873.

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 378979835 - 2⁴ = 378979819 is a prime.

It is a super-4 number, since 4×378979835⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2915165 + ... + 2915294.

It is an arithmetic number, because the mean of its divisors is an integer number (61219830).

Almost surely, 2^378979835 is an apocalyptic number.

378979835 is a deficient number, since it is larger than the sum of its proper divisors (110778805).

378979835 is a wasteful number, since it uses less digits than its factorization.

378979835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830477.

The product of its digits is 11430720, while the sum is 59.

The square root of 378979835 is about 19467.4044238054. The cubic root of 378979835 is about 723.6668867086. Note that the first 3 decimals are identical.

The spelling of 378979835 in words is "three hundred seventy-eight million, nine hundred seventy-nine thousand, eight hundred thirty-five".