427660033655 has 16 divisors (see below), whose sum is σ = 517700709504. Its totient is φ = 339135068160.

The previous prime is 427660033649. The next prime is 427660033657. The reversal of 427660033655 is 556330066724.

It is not a de Polignac number, because 427660033655 - 2³² = 423365066359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427660033657) 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, 534122 + ... + 1067991.

It is an arithmetic number, because the mean of its divisors is an integer number (32356294344).

Almost surely, 2^427660033655 is an apocalyptic number.

427660033655 is a deficient number, since it is larger than the sum of its proper divisors (90040675849).

427660033655 is a wasteful number, since it uses less digits than its factorization.

427660033655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602586.

The product of its (nonzero) digits is 2721600, while the sum is 47.

The spelling of 427660033655 in words is "four hundred twenty-seven billion, six hundred sixty million, thirty-three thousand, six hundred fifty-five".