427612828648 has 8 divisors (see below), whose sum is σ = 801774053730. Its totient is φ = 213806414320.

The previous prime is 427612828627. The next prime is 427612828673. The reversal of 427612828648 is 846828216724.

It can be written as a sum of positive squares in only one way, i.e., 308600248324 + 119012580324 = 555518^2 + 344982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 427612828592 and 427612828601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725801783 + ... + 26725801798.

Almost surely, 2^427612828648 is an apocalyptic number.

It is an amenable number.

427612828648 is a deficient number, since it is larger than the sum of its proper divisors (374161225082).

427612828648 is a wasteful number, since it uses less digits than its factorization.

427612828648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53451603587 (or 53451603583 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 58.

The spelling of 427612828648 in words is "four hundred twenty-seven billion, six hundred twelve million, eight hundred twenty-eight thousand, six hundred forty-eight".