485789678955 has 96 divisors (see below), whose sum is σ = 1017598353408. Its totient is φ = 209669644800.

The previous prime is 485789678929. The next prime is 485789679013. The reversal of 485789678955 is 559876987584.

485789678955 is a `hidden beast` number, since 485 + 7 + 8 + 9 + 6 + 7 + 89 + 55 = 666.

It is not a de Polignac number, because 485789678955 - 2⁵ = 485789678923 is a prime.

It is a super-2 number, since 2×485789678955² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206319 + ... + 1007048.

It is an arithmetic number, because the mean of its divisors is an integer number (10599982848).

Almost surely, 2^485789678955 is an apocalyptic number.

485789678955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

485789678955 is an abundant number, since it is smaller than the sum of its proper divisors (531808674453).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485789678955 is a wasteful number, since it uses less digits than its factorization.

485789678955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213457 (or 1213454 counting only the distinct ones).

The product of its digits is 6096384000, while the sum is 81.

The spelling of 485789678955 in words is "four hundred eighty-five billion, seven hundred eighty-nine million, six hundred seventy-eight thousand, nine hundred fifty-five".