86473880 has 32 divisors (see below), whose sum is σ = 200845440. Its totient is φ = 33473280.

The previous prime is 86473867. The next prime is 86473889. The reversal of 86473880 is 8837468.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86473889) 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, 33629 + ... + 36108.

It is an arithmetic number, because the mean of its divisors is an integer number (6276420).

Almost surely, 2^86473880 is an apocalyptic number.

It is an amenable number.

86473880 is an abundant number, since it is smaller than the sum of its proper divisors (114371560).

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

86473880 is a wasteful number, since it uses less digits than its factorization.

86473880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69779 (or 69775 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 86473880 is about 9299.1332929473. The cubic root of 86473880 is about 442.2097514597.

The spelling of 86473880 in words is "eighty-six million, four hundred seventy-three thousand, eight hundred eighty".