1328926677 has 16 divisors (see below), whose sum is σ = 1908939648. Its totient is φ = 817485120.

The previous prime is 1328926673. The next prime is 1328926691. The reversal of 1328926677 is 7766298231.

It is not a de Polignac number, because 1328926677 - 2² = 1328926673 is a prime.

It is a super-2 number, since 2×1328926677² = 3532092225684524658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328926673) 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, 133288 + ... + 142910.

It is an arithmetic number, because the mean of its divisors is an integer number (119308728).

Almost surely, 2^1328926677 is an apocalyptic number.

It is an amenable number.

1328926677 is a deficient number, since it is larger than the sum of its proper divisors (580012971).

1328926677 is a wasteful number, since it uses less digits than its factorization.

1328926677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180.

The product of its digits is 1524096, while the sum is 51.

The square root of 1328926677 is about 36454.4466012035. The cubic root of 1328926677 is about 1099.4285398117.

The spelling of 1328926677 in words is "one billion, three hundred twenty-eight million, nine hundred twenty-six thousand, six hundred seventy-seven".