677830493 has 8 divisors (see below), whose sum is σ = 714306816. Its totient is φ = 641938000.

The previous prime is 677830481. The next prime is 677830499. The reversal of 677830493 is 394038776.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677830493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677830499) 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, 143573 + ... + 148218.

It is an arithmetic number, because the mean of its divisors is an integer number (89288352).

Almost surely, 2^677830493 is an apocalyptic number.

It is an amenable number.

677830493 is a deficient number, since it is larger than the sum of its proper divisors (36476323).

677830493 is a wasteful number, since it uses less digits than its factorization.

677830493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291915.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 677830493 is about 26035.1779905573. The cubic root of 677830493 is about 878.4297466578.

The spelling of 677830493 in words is "six hundred seventy-seven million, eight hundred thirty thousand, four hundred ninety-three".