987552156 has 24 divisors (see below), whose sum is σ = 2353317120. Its totient is φ = 322179952.

The previous prime is 987552133. The next prime is 987552157. The reversal of 987552156 is 651255789.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987552157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874926 + ... + 876053.

It is an arithmetic number, because the mean of its divisors is an integer number (98054880).

Almost surely, 2^987552156 is an apocalyptic number.

It is an amenable number.

987552156 is an abundant number, since it is smaller than the sum of its proper divisors (1365764964).

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

987552156 is a wasteful number, since it uses less digits than its factorization.

987552156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751033 (or 1751031 counting only the distinct ones).

The product of its digits is 756000, while the sum is 48.

The square root of 987552156 is about 31425.3425756984. The cubic root of 987552156 is about 995.8333820735.

The spelling of 987552156 in words is "nine hundred eighty-seven million, five hundred fifty-two thousand, one hundred fifty-six".