1676028420857 has 4 divisors (see below), whose sum is σ = 1915461052416. Its totient is φ = 1436595789300.

The previous prime is 1676028420841. The next prime is 1676028420929. The reversal of 1676028420857 is 7580248206761.

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 not a de Polignac number, because 1676028420857 - 2⁴ = 1676028420841 is a prime.

It is a super-2 number, since 2×1676028420857² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1676028420827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119716315769 + ... + 119716315782.

It is an arithmetic number, because the mean of its divisors is an integer number (478865263104).

Almost surely, 2^{1676028420857} is an apocalyptic number.

It is an amenable number.

1676028420857 is a deficient number, since it is larger than the sum of its proper divisors (239432631559).

1676028420857 is an equidigital number, since it uses as much as digits as its factorization.

1676028420857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239432631558.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 1676028420857 in words is "one trillion, six hundred seventy-six billion, twenty-eight million, four hundred twenty thousand, eight hundred fifty-seven".