78677004120 has 256 divisors, whose sum is σ = 284061012480. Its totient is φ = 17176473600.

The previous prime is 78677004113. The next prime is 78677004121. The reversal of 78677004120 is 2140077687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78677004121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 647647 + ... + 759473.

It is an arithmetic number, because the mean of its divisors is an integer number (1109613330).

Almost surely, 2^78677004120 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 78677004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142030506240).

78677004120 is an abundant number, since it is smaller than the sum of its proper divisors (205384008360).

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

78677004120 is a wasteful number, since it uses less digits than its factorization.

78677004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111906 (or 111902 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 78677004120 in words is "seventy-eight billion, six hundred seventy-seven million, four thousand, one hundred twenty".