1673678377 has 8 divisors (see below), whose sum is σ = 1920986496. Its totient is φ = 1428423072.

The previous prime is 1673678359. The next prime is 1673678389. The reversal of 1673678377 is 7738763761.

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-1673678377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1673678077) 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, 511453 + ... + 514714.

It is an arithmetic number, because the mean of its divisors is an integer number (240123312).

Almost surely, 2^1673678377 is an apocalyptic number.

It is an amenable number.

1673678377 is a deficient number, since it is larger than the sum of its proper divisors (247308119).

1673678377 is a wasteful number, since it uses less digits than its factorization.

1673678377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026407.

The product of its digits is 6223392, while the sum is 55.

The square root of 1673678377 is about 40910.6144783967. The cubic root of 1673678377 is about 1187.2914356816.

The spelling of 1673678377 in words is "one billion, six hundred seventy-three million, six hundred seventy-eight thousand, three hundred seventy-seven".