427402837 has 2 divisors, whose sum is σ = 427402838. Its totient is φ = 427402836.

The previous prime is 427402817. The next prime is 427402883. The reversal of 427402837 is 738204724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296735076 + 130667761 = 17226^2 + 11431^2 .

It is a cyclic number.

It is not a de Polignac number, because 427402837 - 2⁷ = 427402709 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 427402796 and 427402805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427402817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213701418 + 213701419.

It is an arithmetic number, because the mean of its divisors is an integer number (213701419).

Almost surely, 2^427402837 is an apocalyptic number.

It is an amenable number.

427402837 is a deficient number, since it is larger than the sum of its proper divisors (1).

427402837 is an equidigital number, since it uses as much as digits as its factorization.

427402837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 427402837 is about 20673.7233463157. The cubic root of 427402837 is about 753.2615510784.

The spelling of 427402837 in words is "four hundred twenty-seven million, four hundred two thousand, eight hundred thirty-seven".