987664922 has 8 divisors (see below), whose sum is σ = 1490586816. Its totient is φ = 490802652.

The previous prime is 987664913. The next prime is 987664943. The reversal of 987664922 is 229466789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×987664922³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514498 + ... + 1515149.

It is an arithmetic number, because the mean of its divisors is an integer number (186323352).

Almost surely, 2^987664922 is an apocalyptic number.

987664922 is a deficient number, since it is larger than the sum of its proper divisors (502921894).

987664922 is a wasteful number, since it uses less digits than its factorization.

987664922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029812.

The product of its digits is 2612736, while the sum is 53.

The square root of 987664922 is about 31427.1367133565. The cubic root of 987664922 is about 995.8712845014.

The spelling of 987664922 in words is "nine hundred eighty-seven million, six hundred sixty-four thousand, nine hundred twenty-two".