1679173477 has 4 divisors (see below), whose sum is σ = 1689228576. Its totient is φ = 1669118380.

The previous prime is 1679173411. The next prime is 1679173481. The reversal of 1679173477 is 7743719761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1679173477 - 2¹⁵ = 1679140709 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 (1679173777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027299 + ... + 5027632.

It is an arithmetic number, because the mean of its divisors is an integer number (422307144).

Almost surely, 2^1679173477 is an apocalyptic number.

It is an amenable number.

1679173477 is a deficient number, since it is larger than the sum of its proper divisors (10055099).

1679173477 is a wasteful number, since it uses less digits than its factorization.

1679173477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055098.

The product of its digits is 1555848, while the sum is 52.

The square root of 1679173477 is about 40977.7192752354. The cubic root of 1679173477 is about 1188.5894066603.

The spelling of 1679173477 in words is "one billion, six hundred seventy-nine million, one hundred seventy-three thousand, four hundred seventy-seven".