427885007 has 4 divisors (see below), whose sum is σ = 466783656. Its totient is φ = 388986360.

The previous prime is 427884991. The next prime is 427885013. The reversal of 427885007 is 700588724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427885007 - 2⁴ = 427884991 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 (427885027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19449308 + ... + 19449329.

It is an arithmetic number, because the mean of its divisors is an integer number (116695914).

Almost surely, 2^427885007 is an apocalyptic number.

427885007 is a deficient number, since it is larger than the sum of its proper divisors (38898649).

427885007 is a wasteful number, since it uses less digits than its factorization.

427885007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38898648.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 427885007 is about 20685.3814806496. The cubic root of 427885007 is about 753.5447059821.

The spelling of 427885007 in words is "four hundred twenty-seven million, eight hundred eighty-five thousand, seven".