788918947 has 2 divisors, whose sum is σ = 788918948. Its totient is φ = 788918946.

The previous prime is 788918941. The next prime is 788918953. The reversal of 788918947 is 749819887.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (788918941) and next prime (788918953).

It is a cyclic number.

It is not a de Polignac number, because 788918947 - 2²⁷ = 654701219 is a prime.

It is not a weakly prime, because it can be changed into another prime (788918941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394459473 + 394459474.

It is an arithmetic number, because the mean of its divisors is an integer number (394459474).

Almost surely, 2^788918947 is an apocalyptic number.

788918947 is a deficient number, since it is larger than the sum of its proper divisors (1).

788918947 is an equidigital number, since it uses as much as digits as its factorization.

788918947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 61.

The square root of 788918947 is about 28087.7009917152. The cubic root of 788918947 is about 924.0116824638.

The spelling of 788918947 in words is "seven hundred eighty-eight million, nine hundred eighteen thousand, nine hundred forty-seven".