7878922477803 has 48 divisors (see below), whose sum is σ = 12943060026624. Its totient is φ = 4581883627200.

The previous prime is 7878922477799. The next prime is 7878922477807. The reversal of 7878922477803 is 3087742298787.

7878922477803 is a `hidden beast` number, since 7 + 8 + 78 + 9 + 2 + 2 + 477 + 80 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (7878922477799) and next prime (7878922477807).

It is not a de Polignac number, because 7878922477803 - 2² = 7878922477799 is a prime.

It is a super-2 number, since 2×7878922477803² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7878922477807) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 17414473 + ... + 17861178.

It is an arithmetic number, because the mean of its divisors is an integer number (269647083888).

Almost surely, 2^{7878922477803} is an apocalyptic number.

7878922477803 is a deficient number, since it is larger than the sum of its proper divisors (5064137548821).

7878922477803 is a wasteful number, since it uses less digits than its factorization.

7878922477803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35275776 (or 35275773 counting only the distinct ones).

The product of its (nonzero) digits is 531062784, while the sum is 72.

The spelling of 7878922477803 in words is "seven trillion, eight hundred seventy-eight billion, nine hundred twenty-two million, four hundred seventy-seven thousand, eight hundred three".