87277932 has 96 divisors (see below), whose sum is σ = 273853440. Its totient is φ = 23466240.

The previous prime is 87277913. The next prime is 87277937. The reversal of 87277932 is 23977278.

It is not an unprimeable number, because it can be changed into a prime (87277937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9457 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (2852640).

Almost surely, 2^87277932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87277932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136926720).

87277932 is an abundant number, since it is smaller than the sum of its proper divisors (186575508).

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

87277932 is a wasteful number, since it uses less digits than its factorization.

87277932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828 (or 6820 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 87277932 is about 9342.2658921698. The cubic root of 87277932 is about 443.5761111450.

It can be divided in two parts, 87277 and 932, that added together give a square (88209 = 297²).

The spelling of 87277932 in words is "eighty-seven million, two hundred seventy-seven thousand, nine hundred thirty-two".