78846820803 has 12 divisors (see below), whose sum is σ = 113895863640. Its totient is φ = 52561772736.

The previous prime is 78846820783. The next prime is 78846820841. The reversal of 78846820803 is 30802864887.

78846820803 is a `hidden beast` number, since 7 + 88 + 468 + 20 + 80 + 3 = 666.

It is not a de Polignac number, because 78846820803 - 2¹⁴ = 78846804419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78846820803.

It is not an unprimeable number, because it can be changed into a prime (78846820853) 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, 43173 + ... + 399446.

It is an arithmetic number, because the mean of its divisors is an integer number (9491321970).

Almost surely, 2^78846820803 is an apocalyptic number.

78846820803 is a deficient number, since it is larger than the sum of its proper divisors (35049042837).

78846820803 is a wasteful number, since it uses less digits than its factorization.

78846820803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462418 (or 462415 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 78846820803 in words is "seventy-eight billion, eight hundred forty-six million, eight hundred twenty thousand, eight hundred three".