86387478368 has 48 divisors (see below), whose sum is σ = 171834838560. Its totient is φ = 42747264000.

The previous prime is 86387478329. The next prime is 86387478371.

86387478368 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×86387478368⁴ (a number of 45 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86387478298 and 86387478307.

It is a congruent number.

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, 9946988 + ... + 9955668.

It is an arithmetic number, because the mean of its divisors is an integer number (3579892470).

Almost surely, 2^86387478368 is an apocalyptic number.

It is an amenable number.

86387478368 is a deficient number, since it is larger than the sum of its proper divisors (85447360192).

86387478368 is a wasteful number, since it uses less digits than its factorization.

86387478368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11863 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 68.

The spelling of 86387478368 in words is "eighty-six billion, three hundred eighty-seven million, four hundred seventy-eight thousand, three hundred sixty-eight".