677650867 has 2 divisors, whose sum is σ = 677650868. Its totient is φ = 677650866.

The previous prime is 677650849. The next prime is 677650871. The reversal of 677650867 is 768056776.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677650867 is a prime.

It is not a weakly prime, because it can be changed into another prime (677630867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338825433 + 338825434.

It is an arithmetic number, because the mean of its divisors is an integer number (338825434).

Almost surely, 2^677650867 is an apocalyptic number.

677650867 is a deficient number, since it is larger than the sum of its proper divisors (1).

677650867 is an equidigital number, since it uses as much as digits as its factorization.

677650867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 677650867 is about 26031.7280832449. The cubic root of 677650867 is about 878.3521447778.

The spelling of 677650867 in words is "six hundred seventy-seven million, six hundred fifty thousand, eight hundred sixty-seven".