78412590004 has 48 divisors (see below), whose sum is σ = 157645103616. Its totient is φ = 33430003200.

The previous prime is 78412590001. The next prime is 78412590017. The reversal of 78412590004 is 40009521487.

It is a super-2 number, since 2×78412590004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78412590001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6829989 + ... + 6841459.

It is an arithmetic number, because the mean of its divisors is an integer number (3284272992).

Almost surely, 2^78412590004 is an apocalyptic number.

It is an amenable number.

78412590004 is an abundant number, since it is smaller than the sum of its proper divisors (79232513612).

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

78412590004 is a wasteful number, since it uses less digits than its factorization.

78412590004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12736 (or 12734 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 78412590004 in words is "seventy-eight billion, four hundred twelve million, five hundred ninety thousand, four".