677443147 has 2 divisors, whose sum is σ = 677443148. Its totient is φ = 677443146.

The previous prime is 677443099. The next prime is 677443153. The reversal of 677443147 is 741344776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677443147 - 2¹⁵ = 677410379 is a prime.

It is not a weakly prime, because it can be changed into another prime (677443177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338721573 + 338721574.

It is an arithmetic number, because the mean of its divisors is an integer number (338721574).

Almost surely, 2^677443147 is an apocalyptic number.

677443147 is a deficient number, since it is larger than the sum of its proper divisors (1).

677443147 is an equidigital number, since it uses as much as digits as its factorization.

677443147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 43.

The square root of 677443147 is about 26027.7380308009. The cubic root of 677443147 is about 878.2623886503.

The spelling of 677443147 in words is "six hundred seventy-seven million, four hundred forty-three thousand, one hundred forty-seven".