86378936480 has 24 divisors (see below), whose sum is σ = 204070237812. Its totient is φ = 34551574528.

The previous prime is 86378936477. The next prime is 86378936507. The reversal of 86378936480 is 8463987368.

It can be written as a sum of positive squares in 2 ways, for example, as 85945130896 + 433805584 = 293164^2 + 20828^2 .

It is a super-2 number, since 2×86378936480² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269934017 + ... + 269934336.

Almost surely, 2^86378936480 is an apocalyptic number.

86378936480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86378936480 is an abundant number, since it is smaller than the sum of its proper divisors (117691301332).

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

86378936480 is a wasteful number, since it uses less digits than its factorization.

86378936480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539868368 (or 539868360 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 86378936480 in words is "eighty-six billion, three hundred seventy-eight million, nine hundred thirty-six thousand, four hundred eighty".