485215757578 has 32 divisors (see below), whose sum is σ = 780937464960. Its totient is φ = 225514808640.

The previous prime is 485215757549. The next prime is 485215757597. The reversal of 485215757578 is 875757512584.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 1239013 + ... + 1582903.

It is an arithmetic number, because the mean of its divisors is an integer number (24404295780).

Almost surely, 2^485215757578 is an apocalyptic number.

485215757578 is a deficient number, since it is larger than the sum of its proper divisors (295721707382).

485215757578 is a wasteful number, since it uses less digits than its factorization.

485215757578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344782.

The product of its digits is 109760000, while the sum is 64.

The spelling of 485215757578 in words is "four hundred eighty-five billion, two hundred fifteen million, seven hundred fifty-seven thousand, five hundred seventy-eight".