427180967 has 2 divisors, whose sum is σ = 427180968. Its totient is φ = 427180966.

The previous prime is 427180939. The next prime is 427180969. The reversal of 427180967 is 769081724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427180967 - 2⁶ = 427180903 is a prime.

Together with 427180969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427180969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213590483 + 213590484.

It is an arithmetic number, because the mean of its divisors is an integer number (213590484).

Almost surely, 2^427180967 is an apocalyptic number.

427180967 is a deficient number, since it is larger than the sum of its proper divisors (1).

427180967 is an equidigital number, since it uses as much as digits as its factorization.

427180967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 427180967 is about 20668.3566593960. The cubic root of 427180967 is about 753.1311861133.

The spelling of 427180967 in words is "four hundred twenty-seven million, one hundred eighty thousand, nine hundred sixty-seven".