828805957 has 16 divisors (see below), whose sum is σ = 975110400. Its totient is φ = 689568768.

The previous prime is 828805921. The next prime is 828806029. The reversal of 828805957 is 759508828.

It is a happy number.

It is not a de Polignac number, because 828805957 - 2²³ = 820417349 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 (828805357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112728 + ... + 119854.

It is an arithmetic number, because the mean of its divisors is an integer number (60944400).

Almost surely, 2^828805957 is an apocalyptic number.

It is an amenable number.

828805957 is a deficient number, since it is larger than the sum of its proper divisors (146304443).

828805957 is a wasteful number, since it uses less digits than its factorization.

828805957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7620.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The square root of 828805957 is about 28788.9902045904. The cubic root of 828805957 is about 939.3287636669.

The spelling of 828805957 in words is "eight hundred twenty-eight million, eight hundred five thousand, nine hundred fifty-seven".