677077663 has 2 divisors, whose sum is σ = 677077664. Its totient is φ = 677077662.

The previous prime is 677077633. The next prime is 677077693. The reversal of 677077663 is 366770776.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (677077633) and next prime (677077693).

It is a cyclic number.

It is not a de Polignac number, because 677077663 - 2²¹ = 674980511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677077633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338538831 + 338538832.

It is an arithmetic number, because the mean of its divisors is an integer number (338538832).

Almost surely, 2^677077663 is an apocalyptic number.

677077663 is a deficient number, since it is larger than the sum of its proper divisors (1).

677077663 is an equidigital number, since it uses as much as digits as its factorization.

677077663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555848, while the sum is 49.

The square root of 677077663 is about 26020.7160354976. The cubic root of 677077663 is about 878.1044179064.

The spelling of 677077663 in words is "six hundred seventy-seven million, seventy-seven thousand, six hundred sixty-three".