427790837 has 2 divisors, whose sum is σ = 427790838. Its totient is φ = 427790836.

The previous prime is 427790821. The next prime is 427790911. The reversal of 427790837 is 738097724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427083556 + 707281 = 20666^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 427790837 - 2⁴ = 427790821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427790791 and 427790800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427790137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213895418 + 213895419.

It is an arithmetic number, because the mean of its divisors is an integer number (213895419).

Almost surely, 2^427790837 is an apocalyptic number.

It is an amenable number.

427790837 is a deficient number, since it is larger than the sum of its proper divisors (1).

427790837 is an equidigital number, since it uses as much as digits as its factorization.

427790837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 427790837 is about 20683.1051102101. The cubic root of 427790837 is about 753.4894212598.

The spelling of 427790837 in words is "four hundred twenty-seven million, seven hundred ninety thousand, eight hundred thirty-seven".