472790387 has 2 divisors, whose sum is σ = 472790388. Its totient is φ = 472790386.

The previous prime is 472790359. The next prime is 472790401. The reversal of 472790387 is 783097274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472790387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (472790317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236395193 + 236395194.

It is an arithmetic number, because the mean of its divisors is an integer number (236395194).

Almost surely, 2^472790387 is an apocalyptic number.

472790387 is a deficient number, since it is larger than the sum of its proper divisors (1).

472790387 is an equidigital number, since it uses as much as digits as its factorization.

472790387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 472790387 is about 21743.7436289154. The cubic root of 472790387 is about 779.0336416266.

The spelling of 472790387 in words is "four hundred seventy-two million, seven hundred ninety thousand, three hundred eighty-seven".