677421467 has 2 divisors, whose sum is σ = 677421468. Its totient is φ = 677421466.

The previous prime is 677421431. The next prime is 677421487. The reversal of 677421467 is 764124776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677421467 - 2⁸ = 677421211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (677421427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338710733 + 338710734.

It is an arithmetic number, because the mean of its divisors is an integer number (338710734).

Almost surely, 2^677421467 is an apocalyptic number.

677421467 is a deficient number, since it is larger than the sum of its proper divisors (1).

677421467 is an equidigital number, since it uses as much as digits as its factorization.

677421467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 677421467 is about 26027.3215487111. The cubic root of 677421467 is about 878.2530196320.

The spelling of 677421467 in words is "six hundred seventy-seven million, four hundred twenty-one thousand, four hundred sixty-seven".