906578047 has 2 divisors, whose sum is σ = 906578048. Its totient is φ = 906578046.

The previous prime is 906578017. The next prime is 906578059. The reversal of 906578047 is 740875609.

It is a happy number.

906578047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906578047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 906577988 and 906578006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906578017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453289023 + 453289024.

It is an arithmetic number, because the mean of its divisors is an integer number (453289024).

Almost surely, 2^906578047 is an apocalyptic number.

906578047 is a deficient number, since it is larger than the sum of its proper divisors (1).

906578047 is an equidigital number, since it uses as much as digits as its factorization.

906578047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 906578047 is about 30109.4345181041. The cubic root of 906578047 is about 967.8359119989.

The spelling of 906578047 in words is "nine hundred six million, five hundred seventy-eight thousand, forty-seven".