854315430778 has 16 divisors (see below), whose sum is σ = 1292257644480. Its totient is φ = 423567944800.

The previous prime is 854315430691. The next prime is 854315430781. The reversal of 854315430778 is 877034513458.

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 7 ways as a sum of consecutive naturals, for example, 927118 + ... + 1602553.

It is an arithmetic number, because the mean of its divisors is an integer number (80766102780).

Almost surely, 2^854315430778 is an apocalyptic number.

854315430778 is a deficient number, since it is larger than the sum of its proper divisors (437942213702).

854315430778 is a wasteful number, since it uses less digits than its factorization.

854315430778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531093.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 854315430778 in words is "eight hundred fifty-four billion, three hundred fifteen million, four hundred thirty thousand, seven hundred seventy-eight".