427735120505 has 32 divisors (see below), whose sum is σ = 640661419008. Its totient is φ = 266337892800.

The previous prime is 427735120499. The next prime is 427735120523. The reversal of 427735120505 is 505021537724.

It is not a de Polignac number, because 427735120505 - 2⁸ = 427735120249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289151 + ... + 969060.

It is an arithmetic number, because the mean of its divisors is an integer number (20020669344).

Almost surely, 2^427735120505 is an apocalyptic number.

It is an amenable number.

427735120505 is a deficient number, since it is larger than the sum of its proper divisors (212926298503).

427735120505 is a wasteful number, since it uses less digits than its factorization.

427735120505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259117.

The product of its (nonzero) digits is 294000, while the sum is 41.

The spelling of 427735120505 in words is "four hundred twenty-seven billion, seven hundred thirty-five million, one hundred twenty thousand, five hundred five".