86889820290 has 64 divisors (see below), whose sum is σ = 256659169536. Its totient is φ = 18332796672.

The previous prime is 86889820267. The next prime is 86889820291. The reversal of 86889820290 is 9202898868.

It is not an unprimeable number, because it can be changed into a prime (86889820291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15911157 + ... + 15916616.

It is an arithmetic number, because the mean of its divisors is an integer number (4010299524).

Almost surely, 2^86889820290 is an apocalyptic number.

86889820290 is an abundant number, since it is smaller than the sum of its proper divisors (169769349246).

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

86889820290 is a wasteful number, since it uses less digits than its factorization.

86889820290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31827803.

The product of its (nonzero) digits is 7962624, while the sum is 60.

The spelling of 86889820290 in words is "eighty-six billion, eight hundred eighty-nine million, eight hundred twenty thousand, two hundred ninety".