1863064076378 has 4 divisors (see below), whose sum is σ = 2794596114570. Its totient is φ = 931532038188.

The previous prime is 1863064076369. The next prime is 1863064076383. The reversal of 1863064076378 is 8736704603681.

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

It can be written as a sum of positive squares in only one way, i.e., 1862015806249 + 1048270129 = 1364557^2 + 32377^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465766019093 + ... + 465766019096.

Almost surely, 2^{1863064076378} is an apocalyptic number.

1863064076378 is a deficient number, since it is larger than the sum of its proper divisors (931532038192).

1863064076378 is an equidigital number, since it uses as much as digits as its factorization.

1863064076378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931532038191.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 1863064076378 in words is "one trillion, eight hundred sixty-three billion, sixty-four million, seventy-six thousand, three hundred seventy-eight".