420858771065 has 16 divisors (see below), whose sum is σ = 539545581120. Its totient is φ = 314205946560.

The previous prime is 420858771001. The next prime is 420858771079. The reversal of 420858771065 is 560177858024.

It is not a de Polignac number, because 420858771065 - 2⁶ = 420858771001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420858770998 and 420858771016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33054026 + ... + 33066755.

It is an arithmetic number, because the mean of its divisors is an integer number (33721598820).

Almost surely, 2^420858771065 is an apocalyptic number.

It is an amenable number.

420858771065 is a deficient number, since it is larger than the sum of its proper divisors (118686810055).

420858771065 is a wasteful number, since it uses less digits than its factorization.

420858771065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66120872.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 420858771065 in words is "four hundred twenty billion, eight hundred fifty-eight million, seven hundred seventy-one thousand, sixty-five".