78463578816948 has 24 divisors (see below), whose sum is σ = 197164890360928. Its totient is φ = 24142639635936.

The previous prime is 78463578816907. The next prime is 78463578816977. The reversal of 78463578816948 is 84961887536487.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251485829386 + ... + 251485829697.

Almost surely, 2^{78463578816948} is an apocalyptic number.

78463578816948 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

78463578816948 is an abundant number, since it is smaller than the sum of its proper divisors (118701311543980).

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

78463578816948 is a wasteful number, since it uses less digits than its factorization.

78463578816948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502971659103 (or 502971659101 counting only the distinct ones).

The product of its digits is 15606743040, while the sum is 84.

The spelling of 78463578816948 in words is "seventy-eight trillion, four hundred sixty-three billion, five hundred seventy-eight million, eight hundred sixteen thousand, nine hundred forty-eight".