87623615240 has 32 divisors (see below), whose sum is σ = 225317868480. Its totient is φ = 30042382272.

The previous prime is 87623615221. The next prime is 87623615279. The reversal of 87623615240 is 4251632678.

It is a junction number, because it is equal to n+sod(n) for n = 87623615191 and 87623615200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156470462 + ... + 156471021.

It is an arithmetic number, because the mean of its divisors is an integer number (7041183390).

Almost surely, 2^87623615240 is an apocalyptic number.

It is an amenable number.

87623615240 is an abundant number, since it is smaller than the sum of its proper divisors (137694253240).

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

87623615240 is a wasteful number, since it uses less digits than its factorization.

87623615240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312941501 (or 312941497 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 87623615240 in words is "eighty-seven billion, six hundred twenty-three million, six hundred fifteen thousand, two hundred forty".