285478874582 has 24 divisors (see below), whose sum is σ = 470786560608. Its totient is φ = 129735468720.

The previous prime is 285478874533. The next prime is 285478874599.

285478874582 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034168 + ... + 1280804.

It is an arithmetic number, because the mean of its divisors is an integer number (19616106692).

Almost surely, 2^285478874582 is an apocalyptic number.

285478874582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

285478874582 is a deficient number, since it is larger than the sum of its proper divisors (185307686026).

285478874582 is a wasteful number, since it uses less digits than its factorization.

285478874582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251444 (or 251433 counting only the distinct ones).

The product of its digits is 321126400, while the sum is 68.

The spelling of 285478874582 in words is "two hundred eighty-five billion, four hundred seventy-eight million, eight hundred seventy-four thousand, five hundred eighty-two".