878029425 has 288 divisors, whose sum is σ = 2126808320. Its totient is φ = 335923200.

The previous prime is 878029423. The next prime is 878029459. The reversal of 878029425 is 524920878.

878029425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 878029425 - 2¹ = 878029423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878029423) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 14393895 + ... + 14393955.

Almost surely, 2^878029425 is an apocalyptic number.

It is an amenable number.

878029425 is an abundant number, since it is smaller than the sum of its proper divisors (1248778895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

878029425 is a wasteful number, since it uses less digits than its factorization.

878029425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 878029425 is about 29631.5612987234. The cubic root of 878029425 is about 957.5681449999.

The spelling of 878029425 in words is "eight hundred seventy-eight million, twenty-nine thousand, four hundred twenty-five".