854230777778 has 32 divisors (see below), whose sum is σ = 1476423106560. Its totient is φ = 363102719760.

The previous prime is 854230777753. The next prime is 854230777789. The reversal of 854230777778 is 877777032458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514793 + ... + 1404803.

It is an arithmetic number, because the mean of its divisors is an integer number (46138222080).

Almost surely, 2^854230777778 is an apocalyptic number.

854230777778 is a deficient number, since it is larger than the sum of its proper divisors (622192328782).

854230777778 is a wasteful number, since it uses less digits than its factorization.

854230777778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890582.

The product of its (nonzero) digits is 129077760, while the sum is 65.

The spelling of 854230777778 in words is "eight hundred fifty-four billion, two hundred thirty million, seven hundred seventy-seven thousand, seven hundred seventy-eight".