87486688220 has 24 divisors (see below), whose sum is σ = 184019837904. Its totient is φ = 34937952896.

The previous prime is 87486688217. The next prime is 87486688229. The reversal of 87486688220 is 2288668478.

It is a self number, because there is not a number n which added to its sum of digits gives 87486688220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87486688229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532502 + ... + 3557181.

It is an arithmetic number, because the mean of its divisors is an integer number (7667493246).

Almost surely, 2^87486688220 is an apocalyptic number.

It is an amenable number.

87486688220 is an abundant number, since it is smaller than the sum of its proper divisors (96533149684).

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

87486688220 is a wasteful number, since it uses less digits than its factorization.

87486688220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090309 (or 7090307 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 59.

The spelling of 87486688220 in words is "eighty-seven billion, four hundred eighty-six million, six hundred eighty-eight thousand, two hundred twenty".