928661907 has 12 divisors (see below), whose sum is σ = 1315337816. Its totient is φ = 582689280.

The previous prime is 928661893. The next prime is 928661933. The reversal of 928661907 is 709166829.

928661907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 928661907 - 2⁶ = 928661843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (928661407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534694 + ... + 536427.

Almost surely, 2^928661907 is an apocalyptic number.

928661907 is a deficient number, since it is larger than the sum of its proper divisors (386675909).

928661907 is a wasteful number, since it uses less digits than its factorization.

928661907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071158 (or 1071141 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 928661907 is about 30473.9545677944. The cubic root of 928661907 is about 975.6316422547.

The spelling of 928661907 in words is "nine hundred twenty-eight million, six hundred sixty-one thousand, nine hundred seven".