78060477220 has 48 divisors (see below), whose sum is σ = 178877881728. Its totient is φ = 28377941760.

The previous prime is 78060477071. The next prime is 78060477251. The reversal of 78060477220 is 2277406087.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800224 + ... + 892456.

It is an arithmetic number, because the mean of its divisors is an integer number (3726622536).

Almost surely, 2^78060477220 is an apocalyptic number.

It is an amenable number.

78060477220 is an abundant number, since it is smaller than the sum of its proper divisors (100817404508).

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

78060477220 is a wasteful number, since it uses less digits than its factorization.

78060477220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96100 (or 96098 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 78060477220 in words is "seventy-eight billion, sixty million, four hundred seventy-seven thousand, two hundred twenty".