86459788195440 has 160 divisors (see below), whose sum is σ = 299522778815232. Its totient is φ = 20448730368000.

The previous prime is 86459788195421. The next prime is 86459788195471. The reversal of 86459788195440 is 4459188795468.

It is a Smith number, since the sum of its digits (78) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399281026 + ... + 399497505.

Almost surely, 2^{86459788195440} is an apocalyptic number.

86459788195440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86459788195440 is an abundant number, since it is smaller than the sum of its proper divisors (213062990619792).

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

86459788195440 is a wasteful number, since it uses less digits than its factorization.

86459788195440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798778599 (or 798778593 counting only the distinct ones).

The product of its (nonzero) digits is 2786918400, while the sum is 78.

The spelling of 86459788195440 in words is "eighty-six trillion, four hundred fifty-nine billion, seven hundred eighty-eight million, one hundred ninety-five thousand, four hundred forty".