472978127 has 4 divisors (see below), whose sum is σ = 474736680. Its totient is φ = 471219576.

The previous prime is 472978123. The next prime is 472978157. The reversal of 472978127 is 721879274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 472978127 - 2² = 472978123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472978123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878873 + ... + 879410.

It is an arithmetic number, because the mean of its divisors is an integer number (118684170).

Almost surely, 2^472978127 is an apocalyptic number.

472978127 is a deficient number, since it is larger than the sum of its proper divisors (1758553).

472978127 is a wasteful number, since it uses less digits than its factorization.

472978127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758552.

The product of its digits is 395136, while the sum is 47.

The square root of 472978127 is about 21748.0603043122. The cubic root of 472978127 is about 779.1367432867.

The spelling of 472978127 in words is "four hundred seventy-two million, nine hundred seventy-eight thousand, one hundred twenty-seven".