7830048990 has 32 divisors (see below), whose sum is σ = 18851421600. Its totient is φ = 2081423744.

The previous prime is 7830048973. The next prime is 7830049013. The reversal of 7830048990 is 998400387.

It is a super-2 number, since 2×7830048990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402165 + ... + 421184.

It is an arithmetic number, because the mean of its divisors is an integer number (589106925).

Almost surely, 2^7830048990 is an apocalyptic number.

7830048990 is an abundant number, since it is smaller than the sum of its proper divisors (11021372610).

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

7830048990 is a wasteful number, since it uses less digits than its factorization.

7830048990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823676.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 7830048990 is about 88487.5640415081. The cubic root of 7830048990 is about 1985.7359257785.

The spelling of 7830048990 in words is "seven billion, eight hundred thirty million, forty-eight thousand, nine hundred ninety".