86671632 has 40 divisors (see below), whose sum is σ = 224317984. Its totient is φ = 28836864.

The previous prime is 86671631. The next prime is 86671639. The reversal of 86671632 is 23617668.

It is not an unprimeable number, because it can be changed into a prime (86671631) 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, 30963 + ... + 33645.

Almost surely, 2^86671632 is an apocalyptic number.

It is an amenable number.

86671632 is an abundant number, since it is smaller than the sum of its proper divisors (137646352).

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

86671632 is a wasteful number, since it uses less digits than its factorization.

86671632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367 (or 3361 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 86671632 is about 9309.7600398721. The cubic root of 86671632 is about 442.5465826028.

The spelling of 86671632 in words is "eighty-six million, six hundred seventy-one thousand, six hundred thirty-two".