86481135452 has 72 divisors (see below), whose sum is σ = 162676588032. Its totient is φ = 40210992000.

The previous prime is 86481135449. The next prime is 86481135469. The reversal of 86481135452 is 25453118468.

It is a junction number, because it is equal to n+sod(n) for n = 86481135397 and 86481135406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75135077 + ... + 75136227.

It is an arithmetic number, because the mean of its divisors is an integer number (2259397056).

Almost surely, 2^86481135452 is an apocalyptic number.

It is an amenable number.

86481135452 is a deficient number, since it is larger than the sum of its proper divisors (76195452580).

86481135452 is a wasteful number, since it uses less digits than its factorization.

86481135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2086 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The spelling of 86481135452 in words is "eighty-six billion, four hundred eighty-one million, one hundred thirty-five thousand, four hundred fifty-two".