825550790 has 32 divisors (see below), whose sum is σ = 1533271680. Its totient is φ = 319872384.

The previous prime is 825550777. The next prime is 825550807. The reversal of 825550790 is 97055528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32012 + ... + 51728.

It is an arithmetic number, because the mean of its divisors is an integer number (47914740).

Almost surely, 2^825550790 is an apocalyptic number.

825550790 is a deficient number, since it is larger than the sum of its proper divisors (707720890).

825550790 is a wasteful number, since it uses less digits than its factorization.

825550790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19856.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 825550790 is about 28732.3996561373. The cubic root of 825550790 is about 938.0974003358.

The spelling of 825550790 in words is "eight hundred twenty-five million, five hundred fifty thousand, seven hundred ninety".