47773776 has 80 divisors (see below), whose sum is σ = 127759680. Its totient is φ = 15375360.

The previous prime is 47773763. The next prime is 47773787. The reversal of 47773776 is 67737774.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 226311 + ... + 226521.

It is an arithmetic number, because the mean of its divisors is an integer number (1596996).

Almost surely, 2^47773776 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 47773776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63879840).

47773776 is an abundant number, since it is smaller than the sum of its proper divisors (79985904).

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

47773776 is a wasteful number, since it uses less digits than its factorization.

47773776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 358 counting only the distinct ones).

The product of its digits is 1210104, while the sum is 48.

The square root of 47773776 is about 6911.8576374228. The cubic root of 47773776 is about 362.8522799746.

The spelling of 47773776 in words is "forty-seven million, seven hundred seventy-three thousand, seven hundred seventy-six".