427738892697 has 16 divisors (see below), whose sum is σ = 638524560960. Its totient is φ = 282982471200.

The previous prime is 427738892689. The next prime is 427738892717. The reversal of 427738892697 is 796298837724.

427738892697 is a `hidden beast` number, since 4 + 2 + 77 + 388 + 92 + 6 + 97 = 666.

It is not a de Polignac number, because 427738892697 - 2³ = 427738892689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427738822697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60462804 + ... + 60469877.

It is an arithmetic number, because the mean of its divisors is an integer number (39907785060).

Almost surely, 2^427738892697 is an apocalyptic number.

It is an amenable number.

427738892697 is a deficient number, since it is larger than the sum of its proper divisors (210785668263).

427738892697 is a wasteful number, since it uses less digits than its factorization.

427738892697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120932821 (or 120932815 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 72.

The spelling of 427738892697 in words is "four hundred twenty-seven billion, seven hundred thirty-eight million, eight hundred ninety-two thousand, six hundred ninety-seven".