47277977 has 8 divisors (see below), whose sum is σ = 48148992. Its totient is φ = 46412800.

The previous prime is 47277953. The next prime is 47277991. The reversal of 47277977 is 77977274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47277977 - 2⁶ = 47277913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47277907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16952 + ... + 19542.

It is an arithmetic number, because the mean of its divisors is an integer number (6018624).

Almost surely, 2^47277977 is an apocalyptic number.

It is an amenable number.

47277977 is a deficient number, since it is larger than the sum of its proper divisors (871015).

47277977 is a wasteful number, since it uses less digits than its factorization.

47277977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919.

The product of its digits is 1210104, while the sum is 50.

The square root of 47277977 is about 6875.8982685901. The cubic root of 47277977 is about 361.5926785112.

The spelling of 47277977 in words is "forty-seven million, two hundred seventy-seven thousand, nine hundred seventy-seven".