47112777 has 12 divisors (see below), whose sum is σ = 70247424. Its totient is φ = 30395160.

The previous prime is 47112727. The next prime is 47112781. The reversal of 47112777 is 77721174.

47112777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47112777 - 2¹¹ = 47110729 is a prime.

It is a super-2 number, since 2×47112777² = 4439227513303458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47112727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84153 + ... + 84710.

It is an arithmetic number, because the mean of its divisors is an integer number (5853952).

Almost surely, 2^47112777 is an apocalyptic number.

It is an amenable number.

47112777 is a deficient number, since it is larger than the sum of its proper divisors (23134647).

47112777 is a wasteful number, since it uses less digits than its factorization.

47112777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168900 (or 168897 counting only the distinct ones).

The product of its digits is 19208, while the sum is 36.

The square root of 47112777 is about 6863.8747803263. The cubic root of 47112777 is about 361.1710246695.

The spelling of 47112777 in words is "forty-seven million, one hundred twelve thousand, seven hundred seventy-seven".