677963409 has 8 divisors (see below), whose sum is σ = 912901632. Its totient is φ = 447500400.

The previous prime is 677963393. The next prime is 677963411. The reversal of 677963409 is 904369776.

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

It is not a de Polignac number, because 677963409 - 2⁴ = 677963393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (677963609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118449 + ... + 1119054.

It is an arithmetic number, because the mean of its divisors is an integer number (114112704).

Almost surely, 2^677963409 is an apocalyptic number.

It is an amenable number.

677963409 is a deficient number, since it is larger than the sum of its proper divisors (234938223).

677963409 is a wasteful number, since it uses less digits than its factorization.

677963409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237607.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The square root of 677963409 is about 26037.7304886582. The cubic root of 677963409 is about 878.4871600960.

The spelling of 677963409 in words is "six hundred seventy-seven million, nine hundred sixty-three thousand, four hundred nine".