378856875554 has 16 divisors (see below), whose sum is σ = 621123987456. Its totient is φ = 172534440000.

The previous prime is 378856875533. The next prime is 378856875563. The reversal of 378856875554 is 455578658873.

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, 179722322 + ... + 179724429.

It is an arithmetic number, because the mean of its divisors is an integer number (38820249216).

Almost surely, 2^378856875554 is an apocalyptic number.

378856875554 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

378856875554 is a deficient number, since it is larger than the sum of its proper divisors (242267111902).

378856875554 is a wasteful number, since it uses less digits than its factorization.

378856875554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359446801.

The product of its digits is 1128960000, while the sum is 71.

The spelling of 378856875554 in words is "three hundred seventy-eight billion, eight hundred fifty-six million, eight hundred seventy-five thousand, five hundred fifty-four".