427320137544755 has 64 divisors (see below), whose sum is σ = 648209678608128. Its totient is φ = 263155725434880.

The previous prime is 427320137544737. The next prime is 427320137544757. The reversal of 427320137544755 is 557445731023724.

It is not a de Polignac number, because 427320137544755 - 2¹⁶ = 427320137479219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427320137544694 and 427320137544703.

It is not an unprimeable number, because it can be changed into a prime (427320137544757) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 330684779 + ... + 331974491.

It is an arithmetic number, because the mean of its divisors is an integer number (10128276228252).

Almost surely, 2^{427320137544755} is an apocalyptic number.

427320137544755 is a deficient number, since it is larger than the sum of its proper divisors (220889541063373).

427320137544755 is a wasteful number, since it uses less digits than its factorization.

427320137544755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309456.

The product of its (nonzero) digits is 98784000, while the sum is 59.

The spelling of 427320137544755 in words is "four hundred twenty-seven trillion, three hundred twenty billion, one hundred thirty-seven million, five hundred forty-four thousand, seven hundred fifty-five".