1677708755 has 4 divisors (see below), whose sum is σ = 2013250512. Its totient is φ = 1342167000.

The previous prime is 1677708691. The next prime is 1677708793. The reversal of 1677708755 is 5578077761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5578077761 = 29 ⋅192347509.

It is not a de Polignac number, because 1677708755 - 2⁶ = 1677708691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1677708697 and 1677708706.

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, 167770871 + ... + 167770880.

It is an arithmetic number, because the mean of its divisors is an integer number (503312628).

Almost surely, 2^1677708755 is an apocalyptic number.

1677708755 is a deficient number, since it is larger than the sum of its proper divisors (335541757).

1677708755 is an equidigital number, since it uses as much as digits as its factorization.

1677708755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335541756.

The product of its (nonzero) digits is 2881200, while the sum is 53.

The square root of 1677708755 is about 40959.8432003835. The cubic root of 1677708755 is about 1188.2437089056.

The spelling of 1677708755 in words is "one billion, six hundred seventy-seven million, seven hundred eight thousand, seven hundred fifty-five".