47727770448 has 40 divisors (see below), whose sum is σ = 123512742496. Its totient is φ = 15881385600.

The previous prime is 47727770437. The next prime is 47727770471. The reversal of 47727770448 is 84407772774.

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, 843283 + ... + 898098.

Almost surely, 2^47727770448 is an apocalyptic number.

47727770448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47727770448 is an abundant number, since it is smaller than the sum of its proper divisors (75784972048).

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

47727770448 is a wasteful number, since it uses less digits than its factorization.

47727770448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741963 (or 1741957 counting only the distinct ones).

The product of its (nonzero) digits is 17210368, while the sum is 57.

The spelling of 47727770448 in words is "forty-seven billion, seven hundred twenty-seven million, seven hundred seventy thousand, four hundred forty-eight".