87342527820 has 96 divisors (see below), whose sum is σ = 251570866176. Its totient is φ = 22625568000.

The previous prime is 87342527809. The next prime is 87342527893. The reversal of 87342527820 is 2872524378.

It is a self number, because there is not a number n which added to its sum of digits gives 87342527820.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369645 + ... + 1431995.

It is an arithmetic number, because the mean of its divisors is an integer number (2620529856).

Almost surely, 2^87342527820 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 87342527820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125785433088).

87342527820 is an abundant number, since it is smaller than the sum of its proper divisors (164228338356).

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

87342527820 is a wasteful number, since it uses less digits than its factorization.

87342527820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63031 (or 63029 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 87342527820 in words is "eighty-seven billion, three hundred forty-two million, five hundred twenty-seven thousand, eight hundred twenty".