788161887 has 64 divisors (see below), whose sum is σ = 1246924800. Its totient is φ = 491287680.

The previous prime is 788161879. The next prime is 788161909.

It is a happy number.

788161887 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 788161887 - 2³ = 788161879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788161807) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4835268 + ... + 4835430.

It is an arithmetic number, because the mean of its divisors is an integer number (19483200).

Almost surely, 2^788161887 is an apocalyptic number.

788161887 is a deficient number, since it is larger than the sum of its proper divisors (458762913).

788161887 is a wasteful number, since it uses less digits than its factorization.

788161887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 359 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 54.

The square root of 788161887 is about 28074.2210399505. The cubic root of 788161887 is about 923.7160221101.

The spelling of 788161887 in words is "seven hundred eighty-eight million, one hundred sixty-one thousand, eight hundred eighty-seven".