787163825 has 48 divisors (see below), whose sum is σ = 1193792640. Its totient is φ = 502848000.

The previous prime is 787163807. The next prime is 787163831. The reversal of 787163825 is 528361787.

It is a happy number.

It is not a de Polignac number, because 787163825 - 2⁶ = 787163761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 787163825.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 200885 + ... + 204765.

It is an arithmetic number, because the mean of its divisors is an integer number (24870680).

Almost surely, 2^787163825 is an apocalyptic number.

It is an amenable number.

787163825 is a deficient number, since it is larger than the sum of its proper divisors (406628815).

787163825 is a wasteful number, since it uses less digits than its factorization.

787163825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978 (or 3973 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 787163825 is about 28056.4399915599. The cubic root of 787163825 is about 923.3259519568.

The spelling of 787163825 in words is "seven hundred eighty-seven million, one hundred sixty-three thousand, eight hundred twenty-five".