63154803878 has 12 divisors (see below), whose sum is σ = 97886663100. Its totient is φ = 30558775140.

The previous prime is 63154803773. The next prime is 63154803889. The reversal of 63154803878 is 87830845136.

63154803878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16427528 + ... + 16431371.

It is an arithmetic number, because the mean of its divisors is an integer number (8157221925).

Almost surely, 2^63154803878 is an apocalyptic number.

63154803878 is a deficient number, since it is larger than the sum of its proper divisors (34731859222).

63154803878 is a wasteful number, since it uses less digits than its factorization.

63154803878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32858963 (or 32858932 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 63154803878 in words is "sixty-three billion, one hundred fifty-four million, eight hundred three thousand, eight hundred seventy-eight".