378770491 has 16 divisors (see below), whose sum is σ = 435600000. Its totient is φ = 325728000.

The previous prime is 378770473. The next prime is 378770519. The reversal of 378770491 is 194077873.

It is a cyclic number.

It is not a de Polignac number, because 378770491 - 2⁵ = 378770459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378770471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260316 + ... + 261766.

It is an arithmetic number, because the mean of its divisors is an integer number (27225000).

Almost surely, 2^378770491 is an apocalyptic number.

378770491 is a deficient number, since it is larger than the sum of its proper divisors (56829509).

378770491 is a wasteful number, since it uses less digits than its factorization.

378770491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 378770491 is about 19462.0268985530. The cubic root of 378770491 is about 723.5336138094.

The spelling of 378770491 in words is "three hundred seventy-eight million, seven hundred seventy thousand, four hundred ninety-one".