677329453 has 8 divisors (see below), whose sum is σ = 730704888. Its totient is φ = 625457664.

The previous prime is 677329451. The next prime is 677329459. The reversal of 677329453 is 354923776.

It can be written as a sum of positive squares in 4 ways, for example, as 502746084 + 174583369 = 22422^2 + 13213^2 .

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

It is not a de Polignac number, because 677329453 - 2¹ = 677329451 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 (677329451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374976 + ... + 376777.

It is an arithmetic number, because the mean of its divisors is an integer number (91338111).

Almost surely, 2^677329453 is an apocalyptic number.

It is an amenable number.

677329453 is a deficient number, since it is larger than the sum of its proper divisors (53375435).

677329453 is a wasteful number, since it uses less digits than its factorization.

677329453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751823.

The product of its digits is 952560, while the sum is 46.

The square root of 677329453 is about 26025.5538461720. The cubic root of 677329453 is about 878.2132535305.

The spelling of 677329453 in words is "six hundred seventy-seven million, three hundred twenty-nine thousand, four hundred fifty-three".