1002978688074 has 32 divisors (see below), whose sum is σ = 2188355374080. Its totient is φ = 303927625200.

The previous prime is 1002978688073. The next prime is 1002978688097. The reversal of 1002978688074 is 4708868792001.

It is a junction number, because it is equal to n+sod(n) for n = 1002978687999 and 1002978688017.

It is not an unprimeable number, because it can be changed into a prime (1002978688073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5418057 + ... + 5600115.

It is an arithmetic number, because the mean of its divisors is an integer number (68386105440).

Almost surely, 2^{1002978688074} is an apocalyptic number.

1002978688074 is an abundant number, since it is smaller than the sum of its proper divisors (1185376686006).

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

1002978688074 is a wasteful number, since it uses less digits than its factorization.

1002978688074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265546.

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 1002978688074 in words is "one trillion, two billion, nine hundred seventy-eight million, six hundred eighty-eight thousand, seventy-four".