63045578378 has 16 divisors (see below), whose sum is σ = 100135922760. Its totient is φ = 29667111936.

The previous prime is 63045578341. The next prime is 63045578381. The reversal of 63045578378 is 87387554036.

It can be written as a sum of positive squares in 4 ways, for example, as 63044681569 + 896809 = 251087^2 + 947^2 .

It is a super-2 number, since 2×63045578378² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222850 + ... + 1273362.

Almost surely, 2^63045578378 is an apocalyptic number.

63045578378 is a deficient number, since it is larger than the sum of its proper divisors (37090344382).

63045578378 is a wasteful number, since it uses less digits than its factorization.

63045578378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87241.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 63045578378 in words is "sixty-three billion, forty-five million, five hundred seventy-eight thousand, three hundred seventy-eight".