986422487 has 4 divisors (see below), whose sum is σ = 1038339480. Its totient is φ = 934505496.

The previous prime is 986422477. The next prime is 986422499. The reversal of 986422487 is 784224689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 986422487 - 2⁴ = 986422471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986422447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25958468 + ... + 25958505.

It is an arithmetic number, because the mean of its divisors is an integer number (259584870).

Almost surely, 2^986422487 is an apocalyptic number.

986422487 is a deficient number, since it is larger than the sum of its proper divisors (51916993).

986422487 is a wasteful number, since it uses less digits than its factorization.

986422487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51916992.

The product of its digits is 1548288, while the sum is 50.

The square root of 986422487 is about 31407.3635792627. The cubic root of 986422487 is about 995.4535232080.

The spelling of 986422487 in words is "nine hundred eighty-six million, four hundred twenty-two thousand, four hundred eighty-seven".