677752797 has 8 divisors (see below), whose sum is σ = 906933856. Its totient is φ = 450203472.

The previous prime is 677752793. The next prime is 677752813. The reversal of 677752797 is 797257776.

It is a happy number.

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

It is not a de Polignac number, because 677752797 - 2² = 677752793 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 (677752793) 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, 406963 + ... + 408624.

It is an arithmetic number, because the mean of its divisors is an integer number (113366732).

Almost surely, 2^677752797 is an apocalyptic number.

It is an amenable number.

677752797 is a deficient number, since it is larger than the sum of its proper divisors (229181059).

677752797 is a wasteful number, since it uses less digits than its factorization.

677752797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815867.

The product of its digits is 9075780, while the sum is 57.

The square root of 677752797 is about 26033.6858128080. The cubic root of 677752797 is about 878.3961821771.

The spelling of 677752797 in words is "six hundred seventy-seven million, seven hundred fifty-two thousand, seven hundred ninety-seven".