1478288829978 has 24 divisors (see below), whose sum is σ = 3371535928800. Its totient is φ = 466828051464.

The previous prime is 1478288829977. The next prime is 1478288830001. The reversal of 1478288829978 is 8799288828741.

1478288829978 is a `hidden beast` number, since 1 + 47 + 8 + 288 + 8 + 299 + 7 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1478288829897 and 1478288829906.

It is not an unprimeable number, because it can be changed into a prime (1478288829971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2161240638 + ... + 2161241321.

It is an arithmetic number, because the mean of its divisors is an integer number (140480663700).

Almost surely, 2^{1478288829978} is an apocalyptic number.

1478288829978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1478288829978 is an abundant number, since it is smaller than the sum of its proper divisors (1893247098822).

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

1478288829978 is a wasteful number, since it uses less digits than its factorization.

1478288829978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322481986 (or 4322481983 counting only the distinct ones).

The product of its digits is 2080899072, while the sum is 81.

The spelling of 1478288829978 in words is "one trillion, four hundred seventy-eight billion, two hundred eighty-eight million, eight hundred twenty-nine thousand, nine hundred seventy-eight".