1677090917 has 16 divisors (see below), whose sum is σ = 1832601600. Its totient is φ = 1528884720.

The previous prime is 1677090913. The next prime is 1677090923. The reversal of 1677090917 is 7190907761.

It is a cyclic number.

It is not a de Polignac number, because 1677090917 - 2² = 1677090913 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 (1677090913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97478 + ... + 113384.

It is an arithmetic number, because the mean of its divisors is an integer number (114537600).

Almost surely, 2^1677090917 is an apocalyptic number.

It is an amenable number.

1677090917 is a deficient number, since it is larger than the sum of its proper divisors (155510683).

1677090917 is a wasteful number, since it uses less digits than its factorization.

1677090917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 1677090917 is about 40952.3005092510. The cubic root of 1677090917 is about 1188.0978289464.

The spelling of 1677090917 in words is "one billion, six hundred seventy-seven million, ninety thousand, nine hundred seventeen".