677439763 has 16 divisors (see below), whose sum is σ = 909570816. Its totient is φ = 487268640.

The previous prime is 677439757. The next prime is 677439767. The reversal of 677439763 is 367934776.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677439763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677439763.

It is not an unprimeable number, because it can be changed into a prime (677439767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337381 + ... + 339382.

It is an arithmetic number, because the mean of its divisors is an integer number (56848176).

Almost surely, 2^677439763 is an apocalyptic number.

677439763 is a deficient number, since it is larger than the sum of its proper divisors (232131053).

677439763 is a wasteful number, since it uses less digits than its factorization.

677439763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676794.

The product of its digits is 4000752, while the sum is 52.

The square root of 677439763 is about 26027.6730231498. The cubic root of 677439763 is about 878.2609262669.

The spelling of 677439763 in words is "six hundred seventy-seven million, four hundred thirty-nine thousand, seven hundred sixty-three".