7825424086 has 4 divisors (see below), whose sum is σ = 11738136132. Its totient is φ = 3912712042.

The previous prime is 7825424077. The next prime is 7825424099. The reversal of 7825424086 is 6804245287.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7825424086² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956356020 + ... + 1956356023.

It is an arithmetic number, because the mean of its divisors is an integer number (2934534033).

Almost surely, 2^7825424086 is an apocalyptic number.

7825424086 is a deficient number, since it is larger than the sum of its proper divisors (3912712046).

7825424086 is a wasteful number, since it uses less digits than its factorization.

7825424086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912712045.

The product of its (nonzero) digits is 860160, while the sum is 46.

The square root of 7825424086 is about 88461.4271080905. The cubic root of 7825424086 is about 1985.3448832359.

The spelling of 7825424086 in words is "seven billion, eight hundred twenty-five million, four hundred twenty-four thousand, eighty-six".