47772854 has 4 divisors (see below), whose sum is σ = 71659284. Its totient is φ = 23886426.

The previous prime is 47772853. The next prime is 47772869. The reversal of 47772854 is 45827774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45827774 = 2 ⋅22913887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47772853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943212 + ... + 11943215.

It is an arithmetic number, because the mean of its divisors is an integer number (17914821).

Almost surely, 2^47772854 is an apocalyptic number.

47772854 is a deficient number, since it is larger than the sum of its proper divisors (23886430).

47772854 is a wasteful number, since it uses less digits than its factorization.

47772854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23886429.

The product of its digits is 439040, while the sum is 44.

The square root of 47772854 is about 6911.7909401254. The cubic root of 47772854 is about 362.8499456957.

The spelling of 47772854 in words is "forty-seven million, seven hundred seventy-two thousand, eight hundred fifty-four".