47770720806 has 16 divisors (see below), whose sum is σ = 97160788800. Its totient is φ = 15653682408.

The previous prime is 47770720741. The next prime is 47770720843. The reversal of 47770720806 is 60802707774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67472416 + ... + 67473123.

It is an arithmetic number, because the mean of its divisors is an integer number (6072549300).

Almost surely, 2^47770720806 is an apocalyptic number.

47770720806 is an abundant number, since it is smaller than the sum of its proper divisors (49390067994).

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

47770720806 is a wasteful number, since it uses less digits than its factorization.

47770720806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134945603.

The product of its (nonzero) digits is 921984, while the sum is 48.

The spelling of 47770720806 in words is "forty-seven billion, seven hundred seventy million, seven hundred twenty thousand, eight hundred six".