810147007 has 4 divisors (see below), whose sum is σ = 818499136. Its totient is φ = 801794880.

The previous prime is 810146971. The next prime is 810147017. The reversal of 810147007 is 700741018.

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 810147007 - 2⁷ = 810146879 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 (810147017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4175919 + ... + 4176112.

It is an arithmetic number, because the mean of its divisors is an integer number (204624784).

Almost surely, 2^810147007 is an apocalyptic number.

810147007 is a deficient number, since it is larger than the sum of its proper divisors (8352129).

810147007 is an equidigital number, since it uses as much as digits as its factorization.

810147007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352128.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 810147007 is about 28463.0814740780. The cubic root of 810147007 is about 932.2261415760.

The spelling of 810147007 in words is "eight hundred ten million, one hundred forty-seven thousand, seven".