788004947 has 4 divisors (see below), whose sum is σ = 809302416. Its totient is φ = 766707480.

The previous prime is 788004941. The next prime is 788004967. The reversal of 788004947 is 749400887.

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 788004947 - 2²⁶ = 720896083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (788004941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10648679 + ... + 10648752.

It is an arithmetic number, because the mean of its divisors is an integer number (202325604).

Almost surely, 2^788004947 is an apocalyptic number.

788004947 is a deficient number, since it is larger than the sum of its proper divisors (21297469).

788004947 is a wasteful number, since it uses less digits than its factorization.

788004947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21297468.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 788004947 is about 28071.4258098872. The cubic root of 788004947 is about 923.6547074580.

The spelling of 788004947 in words is "seven hundred eighty-eight million, four thousand, nine hundred forty-seven".