663077674 has 8 divisors (see below), whose sum is σ = 1136704608. Its totient is φ = 284176140.

The previous prime is 663077633. The next prime is 663077683. The reversal of 663077674 is 476770366.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23681332 + ... + 23681359.

It is an arithmetic number, because the mean of its divisors is an integer number (142088076).

Almost surely, 2^663077674 is an apocalyptic number.

663077674 is a deficient number, since it is larger than the sum of its proper divisors (473626934).

663077674 is a wasteful number, since it uses less digits than its factorization.

663077674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47362700.

The product of its (nonzero) digits is 889056, while the sum is 46.

The square root of 663077674 is about 25750.2946390910. The cubic root of 663077674 is about 872.0100062328.

The spelling of 663077674 in words is "six hundred sixty-three million, seventy-seven thousand, six hundred seventy-four".