78466989076 has 96 divisors (see below), whose sum is σ = 171005184000. Its totient is φ = 31421214720.

The previous prime is 78466989071. The next prime is 78466989079. The reversal of 78466989076 is 67098966487.

It is a junction number, because it is equal to n+sod(n) for n = 78466988996 and 78466989014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78466989071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1201620 + ... + 1265236.

It is an arithmetic number, because the mean of its divisors is an integer number (1781304000).

Almost surely, 2^78466989076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78466989076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85502592000).

78466989076 is an abundant number, since it is smaller than the sum of its proper divisors (92538194924).

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

78466989076 is a wasteful number, since it uses less digits than its factorization.

78466989076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63702 (or 63686 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 78466989076 in words is "seventy-eight billion, four hundred sixty-six million, nine hundred eighty-nine thousand, seventy-six".