86489901220 has 24 divisors (see below), whose sum is σ = 182319407424. Its totient is φ = 34464414816.

The previous prime is 86489901209. The next prime is 86489901257. The reversal of 86489901220 is 2210998468.

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, 8216214 + ... + 8226733.

It is an arithmetic number, because the mean of its divisors is an integer number (7596641976).

Almost surely, 2^86489901220 is an apocalyptic number.

It is an amenable number.

86489901220 is an abundant number, since it is smaller than the sum of its proper divisors (95829506204).

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

86489901220 is a wasteful number, since it uses less digits than its factorization.

86489901220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443219 (or 16443217 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 86489901220 in words is "eighty-six billion, four hundred eighty-nine million, nine hundred one thousand, two hundred twenty".