787428025 has 12 divisors (see below), whose sum is σ = 976815952. Its totient is φ = 629681040.

The previous prime is 787428007. The next prime is 787428071. The reversal of 787428025 is 520824787.

It is not a de Polignac number, because 787428025 - 2¹³ = 787419833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74734 + ... + 84616.

Almost surely, 2^787428025 is an apocalyptic number.

It is an amenable number.

787428025 is a deficient number, since it is larger than the sum of its proper divisors (189387927).

787428025 is a wasteful number, since it uses less digits than its factorization.

787428025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13080 (or 13075 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 787428025 is about 28061.1479629754. The cubic root of 787428025 is about 923.4292406759.

The spelling of 787428025 in words is "seven hundred eighty-seven million, four hundred twenty-eight thousand, twenty-five".