1463578373978 has 32 divisors (see below), whose sum is σ = 2562208710528. Its totient is φ = 614041041600.

The previous prime is 1463578373947. The next prime is 1463578373987. The reversal of 1463578373978 is 8793738753641.

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 in 15 ways as a sum of consecutive naturals, for example, 3880925 + ... + 4241312.

It is an arithmetic number, because the mean of its divisors is an integer number (80069022204).

Almost surely, 2^{1463578373978} is an apocalyptic number.

1463578373978 is a deficient number, since it is larger than the sum of its proper divisors (1098630336550).

1463578373978 is a wasteful number, since it uses less digits than its factorization.

1463578373978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122518.

The product of its digits is 640120320, while the sum is 71.

The spelling of 1463578373978 in words is "one trillion, four hundred sixty-three billion, five hundred seventy-eight million, three hundred seventy-three thousand, nine hundred seventy-eight".