7730989532 has 12 divisors (see below), whose sum is σ = 15461979120. Its totient is φ = 3313281216.

The previous prime is 7730989523. The next prime is 7730989559. The reversal of 7730989532 is 2359890377.

7730989532 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 138053357 + ... + 138053412.

It is an arithmetic number, because the mean of its divisors is an integer number (1288498260).

Almost surely, 2^7730989532 is an apocalyptic number.

It is an amenable number.

7730989532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7730989532 is a wasteful number, since it uses less digits than its factorization.

7730989532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276106780 (or 276106778 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The square root of 7730989532 is about 87926.0458112384. The cubic root of 7730989532 is about 1977.3263859753.

The spelling of 7730989532 in words is "seven billion, seven hundred thirty million, nine hundred eighty-nine thousand, five hundred thirty-two".