677421453 has 8 divisors (see below), whose sum is σ = 913377600. Its totient is φ = 446539808.

The previous prime is 677421431. The next prime is 677421467. The reversal of 677421453 is 354124776.

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 677421453 - 2¹² = 677417357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677421413) 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 7 ways as a sum of consecutive naturals, for example, 1268313 + ... + 1268846.

It is an arithmetic number, because the mean of its divisors is an integer number (114172200).

Almost surely, 2^677421453 is an apocalyptic number.

It is an amenable number.

677421453 is a deficient number, since it is larger than the sum of its proper divisors (235956147).

677421453 is a wasteful number, since it uses less digits than its factorization.

677421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537251.

The product of its digits is 141120, while the sum is 39.

The square root of 677421453 is about 26027.3212797629. The cubic root of 677421453 is about 878.2530135818.

The spelling of 677421453 in words is "six hundred seventy-seven million, four hundred twenty-one thousand, four hundred fifty-three".