427739769267 has 8 divisors (see below), whose sum is σ = 570355913424. Its totient is φ = 285141735648.

The previous prime is 427739769203. The next prime is 427739769313. The reversal of 427739769267 is 762967937724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427739769267 - 2⁶ = 427739769203 is a prime.

It is a super-2 number, since 2×427739769267² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427739769167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4472428 + ... + 4567065.

It is an arithmetic number, because the mean of its divisors is an integer number (71294489178).

Almost surely, 2^427739769267 is an apocalyptic number.

427739769267 is a deficient number, since it is larger than the sum of its proper divisors (142616144157).

427739769267 is a wasteful number, since it uses less digits than its factorization.

427739769267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9055269.

The product of its digits is 336063168, while the sum is 69.

The spelling of 427739769267 in words is "four hundred twenty-seven billion, seven hundred thirty-nine million, seven hundred sixty-nine thousand, two hundred sixty-seven".