47877477 has 8 divisors (see below), whose sum is σ = 63869280. Its totient is φ = 31902000.

The previous prime is 47877469. The next prime is 47877499. The reversal of 47877477 is 77477874.

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

It is not a de Polignac number, because 47877477 - 2³ = 47877469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47877077) 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, 7299 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (7983660).

Almost surely, 2^47877477 is an apocalyptic number.

It is an amenable number.

47877477 is a deficient number, since it is larger than the sum of its proper divisors (15991803).

47877477 is a wasteful number, since it uses less digits than its factorization.

47877477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163.

The product of its digits is 2151296, while the sum is 51.

The square root of 47877477 is about 6919.3552445297. The cubic root of 47877477 is about 363.1146341652.

The spelling of 47877477 in words is "forty-seven million, eight hundred seventy-seven thousand, four hundred seventy-seven".