86488228820 has 24 divisors (see below), whose sum is σ = 207571749504. Its totient is φ = 29653106976.

The previous prime is 86488228781. The next prime is 86488228823. The reversal of 86488228820 is 2882288468.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86488228823) 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, 308886392 + ... + 308886671.

It is an arithmetic number, because the mean of its divisors is an integer number (8648822896).

Almost surely, 2^86488228820 is an apocalyptic number.

It is an amenable number.

86488228820 is an abundant number, since it is smaller than the sum of its proper divisors (121083520684).

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

86488228820 is a wasteful number, since it uses less digits than its factorization.

86488228820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617773079 (or 617773077 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 56.

The spelling of 86488228820 in words is "eighty-six billion, four hundred eighty-eight million, two hundred twenty-eight thousand, eight hundred twenty".