427607849 has 2 divisors, whose sum is σ = 427607850. Its totient is φ = 427607848.

The previous prime is 427607839. The next prime is 427607879. The reversal of 427607849 is 948706724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 5017600 = 20557^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 427607849 - 2²⁸ = 159172393 is a prime.

It is not a weakly prime, because it can be changed into another prime (427607839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213803924 + 213803925.

It is an arithmetic number, because the mean of its divisors is an integer number (213803925).

Almost surely, 2^427607849 is an apocalyptic number.

It is an amenable number.

427607849 is a deficient number, since it is larger than the sum of its proper divisors (1).

427607849 is an equidigital number, since it uses as much as digits as its factorization.

427607849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 427607849 is about 20678.6810266032. The cubic root of 427607849 is about 753.3819706287.

The spelling of 427607849 in words is "four hundred twenty-seven million, six hundred seven thousand, eight hundred forty-nine".