7916825774 has 32 divisors (see below), whose sum is σ = 13960253664. Its totient is φ = 3319620480.

The previous prime is 7916825771. The next prime is 7916825831. The reversal of 7916825774 is 4775286197.

It is a super-2 number, since 2×7916825774² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7916825771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487652 + ... + 503624.

It is an arithmetic number, because the mean of its divisors is an integer number (436257927).

Almost surely, 2^7916825774 is an apocalyptic number.

7916825774 is a deficient number, since it is larger than the sum of its proper divisors (6043427890).

7916825774 is a wasteful number, since it uses less digits than its factorization.

7916825774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17732.

The product of its digits is 5927040, while the sum is 56.

The square root of 7916825774 is about 88976.5462017941. The cubic root of 7916825774 is about 1993.0446541217.

Multiplying 7916825774 by its sum of digits (56), we get a palindrome (443342243344).

The spelling of 7916825774 in words is "seven billion, nine hundred sixteen million, eight hundred twenty-five thousand, seven hundred seventy-four".