78542438483036 has 24 divisors (see below), whose sum is σ = 149945488759920. Its totient is φ = 35700909955200.

The previous prime is 78542438483021. The next prime is 78542438483053. The reversal of 78542438483036 is 63038483424587.

It is a super-2 number, since 2×78542438483036² (a number of 29 digits) contains 22 as substring.

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, 3195206 + ... + 12934226.

It is an arithmetic number, because the mean of its divisors is an integer number (6247728698330).

Almost surely, 2^{78542438483036} is an apocalyptic number.

It is an amenable number.

78542438483036 is a deficient number, since it is larger than the sum of its proper divisors (71403050276884).

78542438483036 is a wasteful number, since it uses less digits than its factorization.

78542438483036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922325 (or 9922323 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 65.

The spelling of 78542438483036 in words is "seventy-eight trillion, five hundred forty-two billion, four hundred thirty-eight million, four hundred eighty-three thousand, thirty-six".