825894793 has 4 divisors (see below), whose sum is σ = 869362960. Its totient is φ = 782426628.

The previous prime is 825894779. The next prime is 825894809. The reversal of 825894793 is 397498528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 825894793 - 2⁵ = 825894761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825894703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21734055 + ... + 21734092.

It is an arithmetic number, because the mean of its divisors is an integer number (217340740).

Almost surely, 2^825894793 is an apocalyptic number.

It is an amenable number.

825894793 is a deficient number, since it is larger than the sum of its proper divisors (43468167).

825894793 is a wasteful number, since it uses less digits than its factorization.

825894793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43468166.

The product of its digits is 4354560, while the sum is 55.

The square root of 825894793 is about 28738.3853582626. The cubic root of 825894793 is about 938.2276824499.

The spelling of 825894793 in words is "eight hundred twenty-five million, eight hundred ninety-four thousand, seven hundred ninety-three".