86147733479 has 4 divisors (see below), whose sum is σ = 86267550240. Its totient is φ = 86027916720.

The previous prime is 86147733473. The next prime is 86147733491. The reversal of 86147733479 is 97433774168.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86147733479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86147733473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59907302 + ... + 59908739.

It is an arithmetic number, because the mean of its divisors is an integer number (21566887560).

Almost surely, 2^86147733479 is an apocalyptic number.

86147733479 is a deficient number, since it is larger than the sum of its proper divisors (119816761).

86147733479 is a wasteful number, since it uses less digits than its factorization.

86147733479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119816760.

The product of its digits is 21337344, while the sum is 59.

The spelling of 86147733479 in words is "eighty-six billion, one hundred forty-seven million, seven hundred thirty-three thousand, four hundred seventy-nine".