427362787 has 2 divisors, whose sum is σ = 427362788. Its totient is φ = 427362786.

The previous prime is 427362769. The next prime is 427362841. The reversal of 427362787 is 787263724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427362787 is a prime.

It is not a weakly prime, because it can be changed into another prime (427362707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213681393 + 213681394.

It is an arithmetic number, because the mean of its divisors is an integer number (213681394).

Almost surely, 2^427362787 is an apocalyptic number.

427362787 is a deficient number, since it is larger than the sum of its proper divisors (1).

427362787 is an equidigital number, since it uses as much as digits as its factorization.

427362787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 46.

The square root of 427362787 is about 20672.7547027483. The cubic root of 427362787 is about 753.2380220913.

The spelling of 427362787 in words is "four hundred twenty-seven million, three hundred sixty-two thousand, seven hundred eighty-seven".