1678287296086 has 4 divisors (see below), whose sum is σ = 2517430944132. Its totient is φ = 839143648042.

The previous prime is 1678287296051. The next prime is 1678287296087. The reversal of 1678287296086 is 6806927828761.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678287296087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419571824020 + ... + 419571824023.

It is an arithmetic number, because the mean of its divisors is an integer number (629357736033).

Almost surely, 2^{1678287296086} is an apocalyptic number.

1678287296086 is a deficient number, since it is larger than the sum of its proper divisors (839143648046).

1678287296086 is an equidigital number, since it uses as much as digits as its factorization.

1678287296086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839143648045.

The product of its (nonzero) digits is 195084288, while the sum is 70.

The spelling of 1678287296086 in words is "one trillion, six hundred seventy-eight billion, two hundred eighty-seven million, two hundred ninety-six thousand, eighty-six".