677961763 has 4 divisors (see below), whose sum is σ = 682451728. Its totient is φ = 673471800.

The previous prime is 677961749. The next prime is 677961769. The reversal of 677961763 is 367169776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677961763 - 2¹⁷ = 677830691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 677961763.

It is not an unprimeable number, because it can be changed into a prime (677961769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244756 + ... + 2245057.

It is an arithmetic number, because the mean of its divisors is an integer number (170612932).

Almost surely, 2^677961763 is an apocalyptic number.

677961763 is a deficient number, since it is larger than the sum of its proper divisors (4489965).

677961763 is a wasteful number, since it uses less digits than its factorization.

677961763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489964.

The product of its digits is 2000376, while the sum is 52.

The square root of 677961763 is about 26037.6988806615. The cubic root of 677961763 is about 878.4864491476.

The spelling of 677961763 in words is "six hundred seventy-seven million, nine hundred sixty-one thousand, seven hundred sixty-three".