825704087 has 6 divisors (see below), whose sum is σ = 894105792. Its totient is φ = 762188232.

The previous prime is 825704057. The next prime is 825704111. The reversal of 825704087 is 780407528.

It is not a de Polignac number, because 825704087 - 2⁸ = 825703831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825704057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2442743 + ... + 2443080.

It is an arithmetic number, because the mean of its divisors is an integer number (149017632).

Almost surely, 2^825704087 is an apocalyptic number.

825704087 is a deficient number, since it is larger than the sum of its proper divisors (68401705).

825704087 is a wasteful number, since it uses less digits than its factorization.

825704087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885849 (or 4885836 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 825704087 is about 28735.0672001998. The cubic root of 825704087 is about 938.1554620237.

The spelling of 825704087 in words is "eight hundred twenty-five million, seven hundred four thousand, eighty-seven".