1028845377 has 12 divisors (see below), whose sum is σ = 1698411520. Its totient is φ = 587911608.

The previous prime is 1028845357. The next prime is 1028845403. The reversal of 1028845377 is 7735488201.

1028845377 is a `hidden beast` number, since 10 + 28 + 84 + 537 + 7 = 666.

It is not a de Polignac number, because 1028845377 - 2⁸ = 1028845121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028845357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8165377 + ... + 8165502.

Almost surely, 2^1028845377 is an apocalyptic number.

It is an amenable number.

1028845377 is a deficient number, since it is larger than the sum of its proper divisors (669566143).

1028845377 is a wasteful number, since it uses less digits than its factorization.

1028845377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330892 (or 16330889 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1028845377 is about 32075.6196666565. The cubic root of 1028845377 is about 1009.5241286650.

The spelling of 1028845377 in words is "one billion, twenty-eight million, eight hundred forty-five thousand, three hundred seventy-seven".