78428390360 has 32 divisors (see below), whose sum is σ = 177520563360. Its totient is φ = 31183501056.

The previous prime is 78428390357. The next prime is 78428390363. The reversal of 78428390360 is 6309382487.

It is an interprime number because it is at equal distance from previous prime (78428390357) and next prime (78428390363).

It is a junction number, because it is equal to n+sod(n) for n = 78428390299 and 78428390308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78428390363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5863709 + ... + 5877068.

It is an arithmetic number, because the mean of its divisors is an integer number (5547517605).

Almost surely, 2^78428390360 is an apocalyptic number.

It is an amenable number.

78428390360 is an abundant number, since it is smaller than the sum of its proper divisors (99092173000).

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

78428390360 is a wasteful number, since it uses less digits than its factorization.

78428390360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740955 (or 11740951 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 78428390360 in words is "seventy-eight billion, four hundred twenty-eight million, three hundred ninety thousand, three hundred sixty".