788648957 has 8 divisors (see below), whose sum is σ = 811044576. Its totient is φ = 766531792.

The previous prime is 788648947. The next prime is 788648963. The reversal of 788648957 is 759846887.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 788648957 - 2¹⁶ = 788583421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 788648957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788648947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63863 + ... + 75204.

It is an arithmetic number, because the mean of its divisors is an integer number (101380572).

Almost surely, 2^788648957 is an apocalyptic number.

It is an amenable number.

788648957 is a deficient number, since it is larger than the sum of its proper divisors (22395619).

788648957 is a wasteful number, since it uses less digits than its factorization.

788648957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139227.

The product of its digits is 27095040, while the sum is 62.

The square root of 788648957 is about 28082.8943843045. The cubic root of 788648957 is about 923.9062629403.

The spelling of 788648957 in words is "seven hundred eighty-eight million, six hundred forty-eight thousand, nine hundred fifty-seven".