893885157025 has 135 divisors (see below), whose sum is σ = 1379692404569. Its totient is φ = 574352567040.

The previous prime is 893885157007. The next prime is 893885157029. The reversal of 893885157025 is 520751588398.

The square root of 893885157025 is 945455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20908870801 + 872976286224 = 144599^2 + 934332^2 .

It is not a de Polignac number, because 893885157025 - 2⁹ = 893885156513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (893885157029) by changing a digit.

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 134 ways as a sum of consecutive naturals, for example, 3937819962 + ... + 3937820188.

Almost surely, 2^893885157025 is an apocalyptic number.

893885157025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

893885157025 is the 945455-th square number.

893885157025 is the 472728-th centered octagonal number.

It is an amenable number.

893885157025 is a deficient number, since it is larger than the sum of its proper divisors (485807247544).

893885157025 is an frugal number, since it uses more digits than its factorization.

893885157025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 61.

The spelling of 893885157025 in words is "eight hundred ninety-three billion, eight hundred eighty-five million, one hundred fifty-seven thousand, twenty-five".