655467847 has 2 divisors, whose sum is σ = 655467848. Its totient is φ = 655467846.

The previous prime is 655467829. The next prime is 655467853. The reversal of 655467847 is 748764556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655467847 - 2²³ = 647079239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655467794 and 655467803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655464847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327733923 + 327733924.

It is an arithmetic number, because the mean of its divisors is an integer number (327733924).

Almost surely, 2^655467847 is an apocalyptic number.

655467847 is a deficient number, since it is larger than the sum of its proper divisors (1).

655467847 is an equidigital number, since it uses as much as digits as its factorization.

655467847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 52.

The square root of 655467847 is about 25602.1063000684. The cubic root of 655467847 is about 868.6612814738.

The spelling of 655467847 in words is "six hundred fifty-five million, four hundred sixty-seven thousand, eight hundred forty-seven".