987481216 has 16 divisors (see below), whose sum is σ = 1967247990. Its totient is φ = 493740544.

The previous prime is 987481207. The next prime is 987481303. The reversal of 987481216 is 612184789.

It can be written as a sum of positive squares in only one way, i.e., 864360000 + 123121216 = 29400^2 + 11096^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3857221 + ... + 3857476.

Almost surely, 2^987481216 is an apocalyptic number.

It is an amenable number.

987481216 is a deficient number, since it is larger than the sum of its proper divisors (979766774).

987481216 is an equidigital number, since it uses as much as digits as its factorization.

987481216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714711 (or 7714699 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 987481216 is about 31424.2138485595. The cubic root of 987481216 is about 995.8095365442.

The spelling of 987481216 in words is "nine hundred eighty-seven million, four hundred eighty-one thousand, two hundred sixteen".