928288987 has 2 divisors, whose sum is σ = 928288988. Its totient is φ = 928288986.

The previous prime is 928288969. The next prime is 928288997. The reversal of 928288987 is 789882829.

It is a strong prime.

It is an emirp because it is prime and its reverse (789882829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 928288987 - 2²⁷ = 794071259 is a prime.

It is not a weakly prime, because it can be changed into another prime (928288997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464144493 + 464144494.

It is an arithmetic number, because the mean of its divisors is an integer number (464144494).

Almost surely, 2^928288987 is an apocalyptic number.

928288987 is a deficient number, since it is larger than the sum of its proper divisors (1).

928288987 is an equidigital number, since it uses as much as digits as its factorization.

928288987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 61.

The square root of 928288987 is about 30467.8352857567. The cubic root of 928288987 is about 975.5010309378.

The spelling of 928288987 in words is "nine hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred eighty-seven".