485115778 has 24 divisors (see below), whose sum is σ = 859123152. Its totient is φ = 204800904.

The previous prime is 485115773. The next prime is 485115803. The reversal of 485115778 is 877511584.

It is not an unprimeable number, because it can be changed into a prime (485115773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30376 + ... + 43507.

It is an arithmetic number, because the mean of its divisors is an integer number (35796798).

Almost surely, 2^485115778 is an apocalyptic number.

485115778 is a deficient number, since it is larger than the sum of its proper divisors (374007374).

485115778 is a wasteful number, since it uses less digits than its factorization.

485115778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73966 (or 73959 counting only the distinct ones).

The product of its digits is 313600, while the sum is 46.

The square root of 485115778 is about 22025.3439927734. The cubic root of 485115778 is about 785.7453145621.

It can be divided in two parts, 48511 and 5778, that added together give a square (54289 = 233²).

The spelling of 485115778 in words is "four hundred eighty-five million, one hundred fifteen thousand, seven hundred seventy-eight".