987774012 has 36 divisors (see below), whose sum is σ = 2498288520. Its totient is φ = 329071392.

The previous prime is 987773999. The next prime is 987774013. The reversal of 987774012 is 210477789.

It is a happy number.

987774012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×987774012² = 1951394997565152288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987774013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66283 + ... + 79805.

Almost surely, 2^987774012 is an apocalyptic number.

It is an amenable number.

987774012 is an abundant number, since it is smaller than the sum of its proper divisors (1510514508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987774012 is a wasteful number, since it uses less digits than its factorization.

987774012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15562 (or 15557 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 987774012 is about 31428.8722673913. The cubic root of 987774012 is about 995.9079486225.

The spelling of 987774012 in words is "nine hundred eighty-seven million, seven hundred seventy-four thousand, twelve".