78074064846 has 24 divisors (see below), whose sum is σ = 169342598880. Its totient is φ = 25996669056.

The previous prime is 78074064823. The next prime is 78074064847. The reversal of 78074064846 is 64846047087.

It is a junction number, because it is equal to n+sod(n) for n = 78074064792 and 78074064801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78074064847) 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, 2317750 + ... + 2351193.

It is an arithmetic number, because the mean of its divisors is an integer number (7055941620).

Almost surely, 2^78074064846 is an apocalyptic number.

78074064846 is an abundant number, since it is smaller than the sum of its proper divisors (91268534034).

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

78074064846 is a wasteful number, since it uses less digits than its factorization.

78074064846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669880 (or 4669877 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 78074064846 in words is "seventy-eight billion, seventy-four million, sixty-four thousand, eight hundred forty-six".