472778307 has 6 divisors (see below), whose sum is σ = 682902012. Its totient is φ = 315185532.

The previous prime is 472778287. The next prime is 472778309. The reversal of 472778307 is 703877274.

It is not a de Polignac number, because 472778307 - 2⁸ = 472778051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472778309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26265453 + ... + 26265470.

It is an arithmetic number, because the mean of its divisors is an integer number (113817002).

Almost surely, 2^472778307 is an apocalyptic number.

472778307 is a deficient number, since it is larger than the sum of its proper divisors (210123705).

472778307 is a wasteful number, since it uses less digits than its factorization.

472778307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52530929 (or 52530926 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The square root of 472778307 is about 21743.4658460881. The cubic root of 472778307 is about 779.0270066873.

The spelling of 472778307 in words is "four hundred seventy-two million, seven hundred seventy-eight thousand, three hundred seven".