427771713457 has 12 divisors (see below), whose sum is σ = 482903342068. Its totient is φ = 378373010400.

The previous prime is 427771713451. The next prime is 427771713491. The reversal of 427771713457 is 754317177724.

It can be written as a sum of positive squares in 2 ways, for example, as 271617126561 + 156154586896 = 521169^2 + 395164^2 .

It is not a de Polignac number, because 427771713457 - 2³ = 427771713449 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427771713398 and 427771713407.

It is not an unprimeable number, because it can be changed into a prime (427771713451) 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, 47769894 + ... + 47778847.

Almost surely, 2^427771713457 is an apocalyptic number.

It is an amenable number.

427771713457 is a deficient number, since it is larger than the sum of its proper divisors (55131628611).

427771713457 is a wasteful number, since it uses less digits than its factorization.

427771713457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95548800 (or 95548789 counting only the distinct ones).

The product of its digits is 8067360, while the sum is 55.

The spelling of 427771713457 in words is "four hundred twenty-seven billion, seven hundred seventy-one million, seven hundred thirteen thousand, four hundred fifty-seven".