7283228987 has 2 divisors, whose sum is σ = 7283228988. Its totient is φ = 7283228986.

The previous prime is 7283228957. The next prime is 7283228989. The reversal of 7283228987 is 7898223827.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7283228987 - 2²² = 7279034683 is a prime.

Together with 7283228989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7283228989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641614493 + 3641614494.

It is an arithmetic number, because the mean of its divisors is an integer number (3641614494).

Almost surely, 2^7283228987 is an apocalyptic number.

7283228987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7283228987 is an equidigital number, since it uses as much as digits as its factorization.

7283228987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 56.

The square root of 7283228987 is about 85341.8360887554. The cubic root of 7283228987 is about 1938.3907179826.

The spelling of 7283228987 in words is "seven billion, two hundred eighty-three million, two hundred twenty-eight thousand, nine hundred eighty-seven".