7785289948 has 12 divisors (see below), whose sum is σ = 13703011560. Its totient is φ = 3870143792.

The previous prime is 7785289931. The next prime is 7785289951. The reversal of 7785289948 is 8499825877.

It is a super-2 number, since 2×7785289948² (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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624518 + ... + 5625901.

It is an arithmetic number, because the mean of its divisors is an integer number (1141917630).

Almost surely, 2^7785289948 is an apocalyptic number.

It is an amenable number.

7785289948 is a deficient number, since it is larger than the sum of its proper divisors (5917721612).

7785289948 is a wasteful number, since it uses less digits than its factorization.

7785289948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250596 (or 11250594 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 67.

The square root of 7785289948 is about 88234.2900917778. The cubic root of 7785289948 is about 1981.9449945244.

The spelling of 7785289948 in words is "seven billion, seven hundred eighty-five million, two hundred eighty-nine thousand, nine hundred forty-eight".