495189677 has 8 divisors (see below), whose sum is σ = 519066240. Its totient is φ = 471875040.

The previous prime is 495189661. The next prime is 495189679. The reversal of 495189677 is 776981594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495189677 - 2⁴ = 495189661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495189679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138677 + ... + 142202.

It is an arithmetic number, because the mean of its divisors is an integer number (64883280).

Almost surely, 2^495189677 is an apocalyptic number.

It is an amenable number.

495189677 is a deficient number, since it is larger than the sum of its proper divisors (23876563).

495189677 is a wasteful number, since it uses less digits than its factorization.

495189677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280963.

The product of its digits is 3810240, while the sum is 56.

The square root of 495189677 is about 22252.8577265932. The cubic root of 495189677 is about 791.1470156559.

It can be divided in two parts, 49518 and 9677, that added together give a palindrome (59195).

The spelling of 495189677 in words is "four hundred ninety-five million, one hundred eighty-nine thousand, six hundred seventy-seven".