427164697 has 2 divisors, whose sum is σ = 427164698. Its totient is φ = 427164696.

The previous prime is 427164677. The next prime is 427164713. The reversal of 427164697 is 796461724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425844496 + 1320201 = 20636^2 + 1149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427164697 is a prime.

It is not a weakly prime, because it can be changed into another prime (427164607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213582348 + 213582349.

It is an arithmetic number, because the mean of its divisors is an integer number (213582349).

Almost surely, 2^427164697 is an apocalyptic number.

It is an amenable number.

427164697 is a deficient number, since it is larger than the sum of its proper divisors (1).

427164697 is an equidigital number, since it uses as much as digits as its factorization.

427164697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 427164697 is about 20667.9630588019. The cubic root of 427164697 is about 753.1216245138.

The spelling of 427164697 in words is "four hundred twenty-seven million, one hundred sixty-four thousand, six hundred ninety-seven".