86719481408 has 56 divisors (see below), whose sum is σ = 207018331200. Its totient is φ = 35209410048.

The previous prime is 86719481377. The next prime is 86719481411. The reversal of 86719481408 is 80418491768.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 5085443 + ... + 5102466.

Almost surely, 2^86719481408 is an apocalyptic number.

It is an amenable number.

86719481408 is an abundant number, since it is smaller than the sum of its proper divisors (120298849792).

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

86719481408 is a wasteful number, since it uses less digits than its factorization.

86719481408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187947 (or 10187937 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 86719481408 in words is "eighty-six billion, seven hundred nineteen million, four hundred eighty-one thousand, four hundred eight".