1677342636 has 36 divisors (see below), whose sum is σ = 4343366664. Its totient is φ = 545476800.

The previous prime is 1677342631. The next prime is 1677342661. The reversal of 1677342636 is 6362437761.

1677342636 is a `hidden beast` number, since 1 + 6 + 7 + 7 + 3 + 4 + 2 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1677342591 and 1677342600.

It is not an unprimeable number, because it can be changed into a prime (1677342631) 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 11 ways as a sum of consecutive naturals, for example, 566730 + ... + 569681.

It is an arithmetic number, because the mean of its divisors is an integer number (120649074).

Almost surely, 2^1677342636 is an apocalyptic number.

It is an amenable number.

1677342636 is an abundant number, since it is smaller than the sum of its proper divisors (2666024028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1677342636 is a wasteful number, since it uses less digits than its factorization.

1677342636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136462 (or 1136457 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 1677342636 is about 40955.3737133480. The cubic root of 1677342636 is about 1188.1572675519.

The spelling of 1677342636 in words is "one billion, six hundred seventy-seven million, three hundred forty-two thousand, six hundred thirty-six".