378091955 has 16 divisors (see below), whose sum is σ = 467032608. Its totient is φ = 293664000.

The previous prime is 378091943. The next prime is 378091957. The reversal of 378091955 is 559190873.

It is not a de Polignac number, because 378091955 - 2⁸ = 378091699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378091957) 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, 38885 + ... + 47625.

It is an arithmetic number, because the mean of its divisors is an integer number (29189538).

Almost surely, 2^378091955 is an apocalyptic number.

378091955 is a deficient number, since it is larger than the sum of its proper divisors (88940653).

378091955 is a wasteful number, since it uses less digits than its factorization.

378091955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8998.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 378091955 is about 19444.5867788441. The cubic root of 378091955 is about 723.1013053539.

The spelling of 378091955 in words is "three hundred seventy-eight million, ninety-one thousand, nine hundred fifty-five".