782025828 has 12 divisors (see below), whose sum is σ = 1824726960. Its totient is φ = 260675272.

The previous prime is 782025799. The next prime is 782025833. The reversal of 782025828 is 828520287.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×782025828² = 1223128791318171168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 782025828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32584398 + ... + 32584421.

It is an arithmetic number, because the mean of its divisors is an integer number (152060580).

Almost surely, 2^782025828 is an apocalyptic number.

It is an amenable number.

782025828 is an abundant number, since it is smaller than the sum of its proper divisors (1042701132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

782025828 is a wasteful number, since it uses less digits than its factorization.

782025828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65168826 (or 65168824 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 782025828 is about 27964.7247081032. The cubic root of 782025828 is about 921.3126457746.

The spelling of 782025828 in words is "seven hundred eighty-two million, twenty-five thousand, eight hundred twenty-eight".