485206778 has 16 divisors (see below), whose sum is σ = 832147584. Its totient is φ = 207854640.

The previous prime is 485206763. The next prime is 485206783. The reversal of 485206778 is 877602584.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32963 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (52009224).

Almost surely, 2^485206778 is an apocalyptic number.

485206778 is a deficient number, since it is larger than the sum of its proper divisors (346940806).

485206778 is a wasteful number, since it uses less digits than its factorization.

485206778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15197.

The product of its (nonzero) digits is 752640, while the sum is 47.

The square root of 485206778 is about 22027.4096979195. The cubic root of 485206778 is about 785.7944425960.

The spelling of 485206778 in words is "four hundred eighty-five million, two hundred six thousand, seven hundred seventy-eight".