87286508650 has 48 divisors (see below), whose sum is σ = 180114230880. Its totient is φ = 31202561600.

The previous prime is 87286508609. The next prime is 87286508651. The reversal of 87286508650 is 5680568278.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 87286508591 and 87286508600.

It is not an unprimeable number, because it can be changed into a prime (87286508651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1312489 + ... + 1377388.

It is an arithmetic number, because the mean of its divisors is an integer number (3752379810).

Almost surely, 2^87286508650 is an apocalyptic number.

87286508650 is an abundant number, since it is smaller than the sum of its proper divisors (92827722230).

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

87286508650 is a wasteful number, since it uses less digits than its factorization.

87286508650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689959 (or 2689954 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 87286508650 in words is "eighty-seven billion, two hundred eighty-six million, five hundred eight thousand, six hundred fifty".