86147733477 has 32 divisors (see below), whose sum is σ = 127087615872. Its totient is φ = 51562877184.

The previous prime is 86147733473. The next prime is 86147733491. The reversal of 86147733477 is 77433774168.

It is not a de Polignac number, because 86147733477 - 2² = 86147733473 is a prime.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4820803 + ... + 4838639.

It is an arithmetic number, because the mean of its divisors is an integer number (3971487996).

Almost surely, 2^86147733477 is an apocalyptic number.

It is an amenable number.

86147733477 is a deficient number, since it is larger than the sum of its proper divisors (40939882395).

86147733477 is a wasteful number, since it uses less digits than its factorization.

86147733477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21237.

The product of its digits is 16595712, while the sum is 57.

The spelling of 86147733477 in words is "eighty-six billion, one hundred forty-seven million, seven hundred thirty-three thousand, four hundred seventy-seven".