87278609484 has 192 divisors, whose sum is σ = 261687283200. Its totient is φ = 24862003200.

The previous prime is 87278609461. The next prime is 87278609491. The reversal of 87278609484 is 48490687278.

87278609484 is a `hidden beast` number, since 8 + 72 + 7 + 86 + 0 + 9 + 484 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20577604 + ... + 20581844.

It is an arithmetic number, because the mean of its divisors is an integer number (1362954600).

Almost surely, 2^87278609484 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 87278609484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130843641600).

87278609484 is an abundant number, since it is smaller than the sum of its proper divisors (174408673716).

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

87278609484 is a wasteful number, since it uses less digits than its factorization.

87278609484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5301 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 87278609484 in words is "eighty-seven billion, two hundred seventy-eight million, six hundred nine thousand, four hundred eighty-four".