78463220411842 has 32 divisors (see below), whose sum is σ = 135217954944000. Its totient is φ = 33449784329808.

The previous prime is 78463220411801. The next prime is 78463220411869. The reversal of 78463220411842 is 24811402236487.

It is a self number, because there is not a number n which added to its sum of digits gives 78463220411842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7693153 + ... + 14700715.

It is an arithmetic number, because the mean of its divisors is an integer number (4225561092000).

Almost surely, 2^{78463220411842} is an apocalyptic number.

78463220411842 is a deficient number, since it is larger than the sum of its proper divisors (56754734532158).

78463220411842 is a wasteful number, since it uses less digits than its factorization.

78463220411842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7011790.

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 78463220411842 in words is "seventy-eight trillion, four hundred sixty-three billion, two hundred twenty million, four hundred eleven thousand, eight hundred forty-two".