1868077076478 has 16 divisors (see below), whose sum is σ = 3736910059776. Its totient is φ = 622566374360.

The previous prime is 1868077076473. The next prime is 1868077076479. The reversal of 1868077076478 is 8746707708681.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868077076473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31463988 + ... + 31523303.

It is an arithmetic number, because the mean of its divisors is an integer number (233556878736).

Almost surely, 2^{1868077076478} is an apocalyptic number.

1868077076478 is an abundant number, since it is smaller than the sum of its proper divisors (1868832983298).

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

1868077076478 is a wasteful number, since it uses less digits than its factorization.

1868077076478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62992239.

The product of its (nonzero) digits is 177020928, while the sum is 69.

The spelling of 1868077076478 in words is "one trillion, eight hundred sixty-eight billion, seventy-seven million, seventy-six thousand, four hundred seventy-eight".