842887925 has 24 divisors (see below), whose sum is σ = 1151524512. Its totient is φ = 606920000.

The previous prime is 842887919. The next prime is 842887949. The reversal of 842887925 is 529788248.

It is not a de Polignac number, because 842887925 - 2¹⁴ = 842871541 is a prime.

It is a super-2 number, since 2×842887925² = 1420920108221611250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12602 + ... + 42948.

It is an arithmetic number, because the mean of its divisors is an integer number (47980188).

Almost surely, 2^842887925 is an apocalyptic number.

It is an amenable number.

842887925 is a deficient number, since it is larger than the sum of its proper divisors (308636587).

842887925 is a wasteful number, since it uses less digits than its factorization.

842887925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30469 (or 30464 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 842887925 is about 29032.5321837417. The cubic root of 842887925 is about 944.6188565882.

The spelling of 842887925 in words is "eight hundred forty-two million, eight hundred eighty-seven thousand, nine hundred twenty-five".