674216777 has 8 divisors (see below), whose sum is σ = 738386880. Its totient is φ = 611804880.

The previous prime is 674216771. The next prime is 674216789. The reversal of 674216777 is 777612476.

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 674216777 - 2⁴ = 674216761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674216771) 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, 438749 + ... + 440282.

It is an arithmetic number, because the mean of its divisors is an integer number (92298360).

Almost surely, 2^674216777 is an apocalyptic number.

It is an amenable number.

674216777 is a deficient number, since it is larger than the sum of its proper divisors (64170103).

674216777 is a wasteful number, since it uses less digits than its factorization.

674216777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879103.

The product of its digits is 691488, while the sum is 47.

The square root of 674216777 is about 25965.6846048780. The cubic root of 674216777 is about 876.8659074940.

The spelling of 674216777 in words is "six hundred seventy-four million, two hundred sixteen thousand, seven hundred seventy-seven".